Apple Watch Ultra 4

Apple Watch Ultra 4Price, Where to Buy & What Changed

Last updated

Apple Watch Ultra 4 ships September 18 at $799. It runs the S11, the first genuinely new watch processor since the S9, and carries Apple’s all-new Health Sensing System. The case is unchanged at 49mm, and the redesign and blood pressure monitoring reported for months did not arrive.
Released
Sep 18, 2026
Price
$799
CHIP
S11 with a 64-bit dual-core processor
When to buy
A new version probably isn't soon 
OCT 7 · LATEST ON APPLE WATCH ULTRA 4
Three weeks with the Series 12: the Readiness Score works but wasn't finished at launch

DC Rainmaker's Ray Maker found Apple's new Readiness Score tracks hard days and sick days well, but it sometimes shows no value. Battery was weak in week one, then settled at a day to a day and a half.

Read the story →

Best for

Outdoor adventure.
It has a titanium case, a screen bright enough for daylight and a battery that runs for days.Our own judgement. No single source states this.
Health.
It reads your heart, blood oxygen and temperature. The blood pressure feature reported for it did not arrive.
Fitness.
It has precision GPS, depth and dive sensing, and the longest workout battery Apple ships.Our own judgement. No single source states this.

Ask about the Apple Watch Ultra 4

Comparison

Compare watches

How it compares

Cost over 3 years

$799

Device price plus up to three years of optional subscription.

Weight

63g

Grams on your wrist. Lower is lighter.

Battery life

~2.1 days

How long it lasts on its own, away from a charger.

Cost over 3 years

Apple Watch Ultra 4
$799
Samsung Galaxy Watch 8
$349
Pixel Watch 4
$349 → $709
Samsung Galaxy Watch 9
$379.99
Apple Watch Series 11
$399

DeviceOptional subscription

Case only, without a strap, as the maker quotes it.

Battery life can vary based on usage, settings and firmware version.

If not this one

Apple Watch Ultra 4 is our pick for health. Where it does not lead, here is what does, and why you would switch.

  • If you mostly runGarmin Forerunner

    This is Garmin's GPS running-watch line.

    $249.99
  • If you spend real time outdoorsAmazfit T-Rex

    Titanium, sapphire, a flashlight and a cold-weather mode for long trips.

    $649.99
  • If workouts are the pointSamsung Galaxy Watch 9

    It tracks your activity and cardio load, and guides your training.

    $379.99

Most paired with

Everything it works with

What the Apple Watch Ultra works with

Needs an iPhone to set up. It doesn't work with Android phones.

Does the Apple Watch Ultra work with iPhone?

Works

Works with iPhone 11 or later on iOS 27 or later.

Turn on Bluetooth and connect the iPhone to Wi-Fi or a mobile network for setup. After pairing, use the Apple Watch app to manage the watch. Apple Account services, Health, and Fitness work through the iPhone.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Android?

Doesn't work

An iPhone is required for normal setup and use.

Setup requires an iPhone 11 or later with iOS 27 or later. An Android phone can't replace the required iPhone setup and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Google Pixel and other Android phones?

Doesn't work

Pixel and other Android phones can't replace the required iPhone.

Normal setup requires an iPhone 11 or later with iOS 27 or later. Android phones can't replace the required iPhone and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Samsung Galaxy phones?

Doesn't work

A Galaxy phone can't replace the iPhone needed for setup.

Normal setup requires an iPhone 11 or later with iOS 27 or later. There is no Galaxy-specific replacement for the iPhone and Apple Watch app setup path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with a Mac?

With a limit

It can unlock a compatible Mac, but the Mac can't replace the required iPhone.

The Mac and watch need the same Apple Account, two-factor authentication, Wi-Fi, Bluetooth, and a watch passcode. It can unlock a compatible Mac and approve administrator passwords, but it does not replace iPhone setup, pairing, or Health-data management. Normal setup still needs an iPhone 11 or later with iOS 27 or later.

See details and sources (2)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.
  • Apple: Unlock your Mac with Apple WatchFrom the maker or platform · checked 2026-09-21
    Your Apple Watch can instantly unlock your Mac when it wakes from sleep.

Last checked 2026-09-21.

Quick answers

All FAQs

Quick answers

How much does Apple Watch Ultra 4 cost?
Apple Watch Ultra 4 starts at $799 in the US.
Does the Apple Watch Ultra 4 come with a charger?
It comes with the Apple Watch Magnetic Fast Charger to USB-C Cable. Apple's in-the-box list does not include a power adapter.
What is the Apple Watch Ultra 4 battery life?
Up to 50 hours of normal use, and up to 84 hours in Low Power Mode. Workouts run to 18 hours outdoor, 25 in Extended Workout and 45 in Max Extended Workout. A 15-minute charge buys 18 hours.

Get Apple Watch Ultra 4 updates

Email me when there's news.

Works with

Does it work with…?

Works

Works with iPhone 11 or later on iOS 27 or later.

Turn on Bluetooth and connect the iPhone to Wi-Fi or a mobile network for setup. After pairing, use the Apple Watch app to manage the watch. Apple Account services, Health, and Fitness work through the iPhone.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

WorksWorked out from the maker's minimum

It works with iPhone 11 and later on iOS 27 or later.

  • iPhone 17: yes, with iOS 27 or later
  • iPhone 16: yes, with iOS 27 or later
  • iPhone 15: yes, with iOS 27 or later
  • iPhone 14: yes, with iOS 27 or later
  • iPhone 13: yes, with iOS 27 or later
  • iPhone 12: yes, with iOS 27 or later
  • iPhone 11: yes, with iOS 27 or later
  • Older than iPhone 11: no

Does the Apple Watch Ultra work with iPhone 13, iPhone 14, iPhone 15 or iPhone 16? Yes, as long as it runs iOS 27 or later. Worked out from the maker's stated minimum ("iPhone 11 or later"), not a separate test. See the sources.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Doesn't work

An iPhone is required for normal setup and use.

Setup requires an iPhone 11 or later with iOS 27 or later. An Android phone can't replace the required iPhone setup and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Works

Strava has an Apple Watch app for runs and rides.

Install Strava on your iPhone. It needs watchOS 10 or later and iOS 17 or later. You can record runs and rides on the Apple Watch Ultra and leave your phone at home.

See details and sources (1)
  • Strava: Strava Apple Watch AppFrom the maker or platform · checked 2026-09-21
    The Strava Apple Watch app supports watchOS 10.0 or later and iOS 17.0 or later.
    You can record activities on Apple Watch Series 4 or later without carrying your iPhone.

Last checked 2026-09-21.

Doesn't work

A Galaxy phone can't replace the iPhone needed for setup.

Normal setup requires an iPhone 11 or later with iOS 27 or later. There is no Galaxy-specific replacement for the iPhone and Apple Watch app setup path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

With a limit

Watch playback needs Spotify Premium.

Spotify has an Apple Watch app and needs the Spotify app on your iPhone. With Premium, you can stream and save music on the watch. Free users can only use the watch as a remote.

See details and sources (1)
  • Spotify: Spotify on Apple WatchFrom the maker or platform · checked 2026-09-21
    Play from your wrist with Spotify on Apple Watch.
    (Premium only) Listen directly from your Watch - online and offline
    Free service customers cannot stream directly to or listen offline on their Watch.

Last checked 2026-09-21.

Doesn't work

Pixel and other Android phones can't replace the required iPhone.

Normal setup requires an iPhone 11 or later with iOS 27 or later. Android phones can't replace the required iPhone and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

Works

MyFitnessPal has an Apple Watch app.

It works on the Apple Watch Ultra with watchOS 10 or later. You also need MyFitnessPal on your iPhone.

See details and sources (1)

Last checked 2026-09-21.

Show all 14Show fewer
With a limit

Strava, Spotify, WhatsApp, and Google Maps all work, with limits.

  • Strava
  • Spotify
  • WhatsApp
  • Google Maps

Strava records workouts, Spotify plays or controls music, WhatsApp has a watch app, and Google Maps shows directions. Spotify streaming and offline listening need Premium, new Google Maps destinations start on the phone, and WhatsApp setup or troubleshooting depends on its iPhone app. Strava needs watchOS 10 or later, iOS 17 or later, and its iPhone app; other apps have their own account or software needs, and Family Setup support is not fully documented for every third-party app.

See details and sources (4)

Last checked 2026-09-21.

With a limit

WhatsApp has an Apple Watch app, but setup and sync need your iPhone.

It works on Apple Watch Series 4 or newer with watchOS 10 or newer. Your chats sync from a nearby iPhone with Bluetooth on, and that iPhone is also needed for setup.

See details and sources (1)

Last checked 2026-09-21.

With a limit

Apple Pay works where your bank, card, and market support it.

You need a supported card from a participating card issuer, and Apple Pay must be available in your market. The checked Apple sources did not document Google Wallet, Samsung Wallet, or Garmin Pay for watchOS.

See details and sources (3)

Last checked 2026-09-21.

Set it up in the Apple Watch app; Apple Fitness+ is optional.

The watch uses the Apple Watch app on a compatible paired iPhone for setup and management. Your Apple Account signs it into Apple services. Apple Fitness+ is a separate subscription for workouts and meditations, and it is not available in every country or region.

See details and sources (3)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.
  • Apple: Sign in to your Apple Account on the web or in your device settingsFrom the maker or platform · checked 2026-09-21
    If you're already signed in on the iPhone paired with your Apple Watch, you will automatically be signed in to that Apple Account on your watch.
  • Apple: How to subscribe to Apple Fitness+From the maker or platform · checked 2026-09-21
    Subscribe to Apple Fitness+ to access video and audio workouts and meditations.
    Apple Fitness+ availability might vary by country or region.

Last checked 2026-09-21.

With a limit

It can unlock a compatible Mac, but the Mac can't replace the required iPhone.

The Mac and watch need the same Apple Account, two-factor authentication, Wi-Fi, Bluetooth, and a watch passcode. It can unlock a compatible Mac and approve administrator passwords, but it does not replace iPhone setup, pairing, or Health-data management. Normal setup still needs an iPhone 11 or later with iOS 27 or later.

See details and sources (2)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.
  • Apple: Unlock your Mac with Apple WatchFrom the maker or platform · checked 2026-09-21
    Your Apple Watch can instantly unlock your Mac when it wakes from sleep.

Last checked 2026-09-21.

Works

Find My can locate and protect a lost Apple Watch Ultra.

You can play a sound, mark the watch as lost, erase it remotely, use Notify When Found, and use Activation Lock. Availability can vary by country or region, and Find My and your Apple Account need to be set up as needed.

See details and sources (1)

Last checked 2026-09-21.

Most paired with

Does the Apple Watch Ultra work with iPhone?

Works

Works with iPhone 11 or later on iOS 27 or later.

Turn on Bluetooth and connect the iPhone to Wi-Fi or a mobile network for setup. After pairing, use the Apple Watch app to manage the watch. Apple Account services, Health, and Fitness work through the iPhone.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Android?

Doesn't work

An iPhone is required for normal setup and use.

Setup requires an iPhone 11 or later with iOS 27 or later. An Android phone can't replace the required iPhone setup and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Google Pixel and other Android phones?

Doesn't work

Pixel and other Android phones can't replace the required iPhone.

Normal setup requires an iPhone 11 or later with iOS 27 or later. Android phones can't replace the required iPhone and Apple Watch app path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with Samsung Galaxy phones?

Doesn't work

A Galaxy phone can't replace the iPhone needed for setup.

Normal setup requires an iPhone 11 or later with iOS 27 or later. There is no Galaxy-specific replacement for the iPhone and Apple Watch app setup path.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.

Last checked 2026-09-21.

Does the Apple Watch Ultra work with a Mac?

With a limit

It can unlock a compatible Mac, but the Mac can't replace the required iPhone.

The Mac and watch need the same Apple Account, two-factor authentication, Wi-Fi, Bluetooth, and a watch passcode. It can unlock a compatible Mac and approve administrator passwords, but it does not replace iPhone setup, pairing, or Health-data management. Normal setup still needs an iPhone 11 or later with iOS 27 or later.

See details and sources (2)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.
  • Apple: Unlock your Mac with Apple WatchFrom the maker or platform · checked 2026-09-21
    Your Apple Watch can instantly unlock your Mac when it wakes from sleep.

Last checked 2026-09-21.

What you need

Does the Apple Watch Ultra work with iPhone?

Works

Works with iPhone 11 or later on iOS 27 or later.

Turn on Bluetooth and connect the iPhone to Wi-Fi or a mobile network for setup. After pairing, use the Apple Watch app to manage the watch. Apple Account services, Health, and Fitness work through the iPhone.

See details and sources (1)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.

Last checked 2026-09-21.

How does the Apple Watch Ultra use the iPhone app, Apple Account, and subscriptions?

Set it up in the Apple Watch app; Apple Fitness+ is optional.

The watch uses the Apple Watch app on a compatible paired iPhone for setup and management. Your Apple Account signs it into Apple services. Apple Fitness+ is a separate subscription for workouts and meditations, and it is not available in every country or region.

See details and sources (3)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
    If asked, enter your Apple Account password.
  • Apple: Sign in to your Apple Account on the web or in your device settingsFrom the maker or platform · checked 2026-09-21
    If you're already signed in on the iPhone paired with your Apple Watch, you will automatically be signed in to that Apple Account on your watch.
  • Apple: How to subscribe to Apple Fitness+From the maker or platform · checked 2026-09-21
    Subscribe to Apple Fitness+ to access video and audio workouts and meditations.
    Apple Fitness+ availability might vary by country or region.

Last checked 2026-09-21.

Supports

With a limit

It can act as a digital car key in supported cars.

In cars that support Apple Wallet car keys, hold the watch near the reader to unlock and start the car. You need a compatible car and a car key added in Apple Wallet, so check with your carmaker first. Apple does not describe the watch running CarPlay itself.

See details and sources (1)

Last checked 2026-09-21.

With a limit

4G LTE and 5G work with an eligible carrier plan where supported.

For normal setup, the watch and paired iPhone must use the same carrier. Apple Watch For Your Kids can use a different carrier. Carrier eligibility, 5G support, roaming, and regional radio models vary, and there is no single worldwide cellular Apple Watch model.

See details and sources (2)
  • Apple: Apple Watch Ultra 4 - Technical SpecificationsFrom the maker or platform · checked 2026-09-21
    Support for Apple Watch For Your Kids
    15 minutes for up to 18 hours of normal use
  • Apple: Set up cellular on Apple WatchFrom the maker or platform · checked 2026-09-21
    Make sure you have an eligible cellular service plan with a supported carrier.
    * An Apple Watch that you set up using Apple Watch For Your Kids (formerly known as Family Setup) can use a different carrier than your iPhone uses.
    If you have Apple Watch Series 11 and later, Apple Watch SE 3, or Apple Watch Ultra 3 and later, your watch can connect to 4G LTE and 5G networks, where available.
    5G connectivity requires a cellular plan with a participating carrier.
    Unlike iPhone, there isn't a worldwide Apple Watch model that supports all cellular bands used globally.

Last checked 2026-09-21.

With a limit

Five health features work, but age, region, device, and clearance rules vary.

  • ECG
  • irregular-rhythm notifications
  • sleep-apnea notifications
  • Blood Oxygen
  • hypertension notifications

Availability depends on age, country or region, software, and sometimes where the watch was bought. Hypertension notifications need an iPhone 11 or later, age 22 or older, and Apple's setup uses a third-party blood pressure cuff; clearance for Ultra 4 can still vary by region. Sleep-apnea notifications are for people 18 or older without a diagnosis, ECG and irregular-rhythm features have age and regional limits, and Blood Oxygen has regional and U.S.-model restrictions.

See details and sources (6)
  • Apple: Apple Watch Ultra 4 - Technical SpecificationsFrom the maker or platform · checked 2026-09-21
    Satellite communications (Emergency SOS, Messages, Find My)
    Support for Apple Watch For Your Kids
    Up to 80% charge in about 45 minutes
    15 minutes for up to 18 hours of normal use
  • Apple: Hypertension notifications on your Apple WatchFrom the maker or platform · checked 2026-09-21
    Hypertension Notifications might not be available on Apple Watch Series 12 or Apple Watch Ultra 4 in your region, as additional regulatory clearances for the feature for these models are in process.
    An iPhone 11 or later with the latest version of iOS.
    You must be 22 years or older, not pregnant, and have not been diagnosed with hypertension.
    You will also be prompted to set up a Blood Pressure Log and use a third-party blood pressure cuff to measure and track your blood pressure for 7 days.
  • Apple: Take an ECG with the ECG app on Apple WatchFrom the maker or platform · checked 2026-09-21
    Make sure that the ECG app is available in your country or region.
  • Apple: Heart health notifications on your Apple WatchFrom the maker or platform · checked 2026-09-21
    Make sure that notifications are available in your country or region.
    These notifications are not designed for people who have been diagnosed with AFib.
    These notifications are not intended for use by people under 22 years old.
  • Apple: Sleep apnea notifications on your Apple WatchFrom the maker or platform · checked 2026-09-21
    Sleep apnea notifications are intended for use by people 18 years or older who have not been diagnosed with sleep apnea.
  • Apple: Measure blood oxygen levels with the Blood Oxygen appFrom the maker or platform · checked 2026-09-21
    Make sure the Blood Oxygen app is available in your country or region.
    For models of Apple Watch purchased in the United States on or after January 18, 2024 with part numbers ending in LW/A or LS/A, the Blood Oxygen data analysis is performed on iPhone
    The Blood Oxygen app is not available for use by people under 18 years old.

Last checked 2026-09-21.

With a limit

Many work over Wi-Fi or cellular, but some still need the iPhone on.

With Wi-Fi or cellular, the watch can send and receive messages when the iPhone is not nearby. On a cellular Apple Watch, SMS, MMS, and third-party push notifications still need the paired iPhone powered on and connected to Wi-Fi or cellular, though it can be somewhere else. A paired iPhone is still required for normal setup.

See details and sources (2)
  • Apple: Set up your Apple WatchFrom the maker or platform · checked 2026-09-21
    To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later.
    Make sure your iPhone has Bluetooth turned on, and it's connected to Wi-Fi or a mobile network.
  • Apple: Use your Apple Watch without your iPhone nearbyFrom the maker or platform · checked 2026-09-21
    With a Wi-Fi or cellular connection, your Apple Watch can do the following things, even if your iPhone isn't with you.
    MMS, or push notifications from third-party apps on your cellular Apple Watch, your paired iPhone must be powered on and connected to Wi-Fi or cellular, but it doesn't need to be nearby.

Last checked 2026-09-21.

Works

Use a band whose Apple compatibility list includes 49mm.

  • 44mm
  • 45mm
  • 46mm
  • 49mm

49mm Ultra bands are listed for 44mm, 45mm, 46mm, and 49mm Apple Watch models. Older labels can be confusing, so check the exact band model if its only marking is an older 42mm large-case label.

See details and sources (2)

Last checked 2026-09-21.

With a limit

Apple Watch For Your Kids can work without the child's own iPhone.

A parent or guardian needs an iPhone, Apple Accounts for both people, a Family Sharing group, and a compatible watch. A mobile data plan is not needed for setup, but some features need one. Some companion-iPhone features are unavailable, carrier and region support varies, and third-party app behavior such as WhatsApp is not fully documented for Family Setup.

See details and sources (2)
  • Apple: Set up cellular on Apple WatchFrom the maker or platform · checked 2026-09-21
    * An Apple Watch that you set up using Apple Watch For Your Kids (formerly known as Family Setup) can use a different carrier than your iPhone uses.
    Unlike iPhone, there isn't a worldwide Apple Watch model that supports all cellular bands used globally.
  • Apple: Set up Apple Watch for a family memberFrom the maker or platform · checked 2026-09-21
    Apple Watch For Your Kids, formerly known as Family Setup, lets family members who don't have their own iPhone enjoy the features and benefits of an Apple Watch.
    An Apple Account for yourself and one for the family member who will use the Apple Watch.
    A Family Sharing group that includes the person who will use the Apple Watch.
    A mobile data plan isn't required to set up an Apple Watch for a family member, but is necessary for some features.

Last checked 2026-09-21.

With a limit

Siri is built in; Siri AI needs a nearby Apple Intelligence-enabled iPhone.

Siri AI on watchOS 27 needs a nearby Apple Intelligence-enabled iPhone and supported Siri and device language settings. At the checked date, Siri AI required English, was unavailable on watchOS in the EU, and did not work when the Apple Account region was China mainland. Siri itself also varies by country, region, and language.

See details and sources (2)
  • Apple: Find information with Siri on Apple WatchFrom the maker or platform · checked 2026-09-21
    You can use Siri to find information and get answers to your questions right on your Apple Watch.
    Siri isn't available in all countries, regions, or languages.
  • Apple: Requirements for Siri AI (Beta)From the maker or platform · checked 2026-09-21
    watchOS 27 on Apple Watch Series 9 or later, Apple Watch Ultra 2 or later, and Apple Watch SE 3, with an Apple Intelligence-enabled iPhone nearby
    Device language and Siri language set to English
    Siri AI is not available in the EU on iOS, iPadOS, or watchOS.
    Siri AI will not work in China mainland if your Apple Account region is in mainland China.

Last checked 2026-09-21.

With a limit

Satellite can handle Emergency SOS, Messages, and Find My in supported regions.

Satellite use is for places with no cellular or Wi-Fi and needs a clear line of sight to a satellite. Emergency SOS via satellite does not need an active carrier plan, but Messages and Find My location sharing do. Under Apple's current terms, satellite features are free for two years after activation, and country, region, and purchase-location limits apply.

See details and sources (3)
  • Apple: Apple Watch Ultra 4 - Technical SpecificationsFrom the maker or platform · checked 2026-09-21
    Satellite communications (Emergency SOS, Messages, Find My)
  • Apple: Use Emergency SOS via satellite on your Apple Watch UltraFrom the maker or platform · checked 2026-09-21
    With Apple Watch Ultra 3 and later, you can use Emergency SOS via satellite to text emergency services when you're off the grid with no mobile and Wi-Fi coverage.
    Emergency SOS via satellite is free for two years after the activation of an Apple Watch Ultra 3 or later, and you can use this satellite feature even without an active carrier plan.
    Emergency SOS via satellite is available in Andorra, Australia, Austria, Belgium, Canada, France, Germany, Iceland, Ireland, Italy, Japan, Luxembourg, Mexico, the Netherlands, New Zealand, Portugal
    Satellite connectivity isn't offered on Apple Watch models purchased in Armenia, Belarus, China mainland, Hong Kong, Macao, Kazakhstan, Kyrgyzstan or Russia.
  • Apple: Set up satellite communications on Apple Watch UltraFrom the maker or platform · checked 2026-09-21
    Satellite features are free for 2 years after the activation of your Apple Watch Ultra.

Last checked 2026-09-21.

Show all 10Show fewer
With a limit

It works with Bluetooth fitness sensors and compatible GymKit equipment.

  • Bluetooth heart-rate sensors
  • cycling sensors/power meters
  • compatible treadmills, ellipticals, indoor bikes and other GymKit equipment

Pair supported Bluetooth heart-rate sensors, cycling sensors, and power meters, or use GymKit cardio equipment marked "Connects to Apple Watch" or "Connect to Apple Watch." Apple has not confirmed ANT+ support in current first-party documentation, so ANT+ remains unknown rather than unsupported.

See details and sources (3)

Last checked 2026-09-21.

With a limit

Some features vary by country, region, language, or carrier.

Check Apple's current watchOS Feature Availability page for the exact feature and region or language. Health features, Siri AI, Apple Pay, cellular, and satellite can all have country, region, language, or carrier limits.

See details and sources (5)
  • Apple: Countries and regions that support Apple PayFrom the maker or platform · checked 2026-09-21
    Apple Pay is not available in all markets.
  • Apple: Hypertension notifications on your Apple WatchFrom the maker or platform · checked 2026-09-21
    Hypertension Notifications might not be available on Apple Watch Series 12 or Apple Watch Ultra 4 in your region, as additional regulatory clearances for the feature for these models are in process.
  • Apple: Requirements for Siri AI (Beta)From the maker or platform · checked 2026-09-21
    watchOS 27 on Apple Watch Series 9 or later, Apple Watch Ultra 2 or later, and Apple Watch SE 3, with an Apple Intelligence-enabled iPhone nearby
    Device language and Siri language set to English
    Siri AI is not available in the EU on iOS, iPadOS, or watchOS.
    Siri AI will not work in China mainland if your Apple Account region is in mainland China.
  • Apple: Use Emergency SOS via satellite on your Apple Watch UltraFrom the maker or platform · checked 2026-09-21
    Emergency SOS via satellite is available in Andorra, Australia, Austria, Belgium, Canada, France, Germany, Iceland, Ireland, Italy, Japan, Luxembourg, Mexico, the Netherlands, New Zealand, Portugal
  • Apple: watchOS Feature AvailabilityFrom the maker or platform · checked 2026-09-21
    Some watchOS features are not currently available in every region or language.

Last checked 2026-09-21.

How it works

Use the Apple Watch Magnetic Fast Charger; the included A3277 is fastest.

  1. Place the watch on the magnetic charger.
  2. Connect the charger to suitable USB-C power.
  3. Use the included A3277 charger for the fastest charging.

Apple says it can reach up to 80% in about 45 minutes, and 15 minutes can give up to 18 hours of normal use. Older Apple Watch chargers still work, but more slowly. Actual time varies with the power adapter, battery level, conditions, and use.

See details and sources (2)
  • Apple: Apple Watch Ultra 4 - Technical SpecificationsFrom the maker or platform · checked 2026-09-21
    Up to 80% charge in about 45 minutes
    15 minutes for up to 18 hours of normal use
  • Apple: Identify authentic and certified Apple Watch chargersFrom the maker or platform · checked 2026-09-21
    It's best to use the charger that came in the box with your Apple Watch, since that charger is guaranteed to provide the fastest charging speeds for your particular Apple Watch model.
    For example, the charger that comes with Apple Watch Series 12 and Apple Watch Ultra 4 charges those models faster than older chargers.
    look for model number A3277 printed on the part of the USB-C plug that you insert into your computer or power adapter.

Last checked 2026-09-21.

Dec 10, 2024 · First sign of it
Bloomberg reports satellite messaging is planned for the next Ultra
Bloomberg reported that Apple planned to bring satellite connectivity to the next Apple Watch Ultra in 2025. The report established both a next-generation Ultra target and a major off-grid communications feature well before launch.
Sep 18, 2026 · On sale
Apple Watch Ultra 4 goes on sale
Apple Watch Ultra 4 goes on sale. Apple's announcement states availability in stores beginning Friday, September 18.
Mar 24, 2025 · Others confirmed it
Satellite reporting is reiterated alongside a 5G modem
MacRumors reported Bloomberg’s Mark Gurman as saying Apple Watch Ultra 3 would combine satellite connectivity with a new 5G cellular modem. The later report reinforced the December satellite story and added a separate connectivity upgrade.
Aug 5, 2025 · Design and hardware
Leaked software points to a 422 by 514 display
MacRumors reported that an image found in an iOS 26 beta suggested Apple Watch Ultra 3 would move to a 422-by-514 display resolution. The discovery supported the expectation of a slightly larger display area without requiring a wholly new product shape.
Sep 9, 2025 · Announced
Apple formally introduces Apple Watch Ultra 3
Apple announced Apple Watch Ultra 3, confirming the generation and opening preorders. Apple’s launch materials confirmed satellite communications and the larger display as shipping features rather than remaining reports.
Sep 19, 2025 · Went on sale
Apple Watch Ultra 3 becomes available
Apple Watch Ultra 3 reached general availability on September 19 alongside Apple’s other September hardware. That closes the pre-launch reporting arc with a shipping product.
Sep 23, 2022 · Went on sale
Apple Watch Ultra launched
Apple introduced the first Apple Watch Ultra at $799, a 49mm titanium case designed for extreme athletes and divers. 60-meter water resistance, Action Button, 60-hour battery. Defined a new premium tier above Apple Watch Series.
Sep 22, 2023 · Went on sale
Apple Watch Ultra 2 launched
Ultra 2 launched at $799 with the S9 chip, double-tap gesture, carbon neutral option, and brighter display. First Apple Watch with on-device Siri. Same 49mm titanium case as original Ultra.
Sep 19, 2025 · Went on sale
Apple Watch Ultra 3 launched
Ultra 3 launched at $799 with 42-hour battery, satellite SOS and messaging, 5G, blood pressure trend alerts, sleep score, and a new 3,000 nit always-on display. S10 chip. Ships September 19.
Jun 2026 · Others confirmed it
DigiTimes reported a major Ultra 4 chassis redesign
DigiTimes reported Apple confirmed a major chassis redesign for Ultra 4, the first since the Ultra line launched in 2022. Touch ID deprioritized per MacRumors. Advanced blood pressure submitted to FDA.
Sep 9, 2026 · Announced
Apple announces Apple Watch Ultra 4
The same S11 chip and Health Sensing System as Series 12, in natural and black titanium. Apple puts outdoor workout tracking at up to 45 hours and claims the most accurate on-device GPS in a sports watch. $799, pre-order the same day, in stores 18 September.

At a glance

Apple Watch Ultra 4CURRENT MODELApple Watch Ultra 4Apple Watch Ultra 3PREVIOUS MODELApple Watch Ultra 3
Display
LTPO3 OLED, 3,000 nits, flat sapphireConfirmed: Apple · Sep 9, 2026
LTPO OLED, 3,000 nits flatConfirmed: Apple · Jul 15, 2026
Battery
Up to 50 hrs (84 hrs Low Power Mode)Confirmed: Apple · Sep 9, 2026
Up to 42 hrsConfirmed: Apple · Jul 15, 2026
Works with
iPhone only
iPhone only
Water resistance
WR100MConfirmed: Apple · Sep 9, 2026IP6X
WR100MConfirmed: Apple · Jul 15, 2026IP6X
Emergency help
Emergency SOS + Messages + Find MyConfirmed: Apple · Sep 9, 2026
Emergency SOS + Find My + MessagesConfirmed: Apple · Jul 15, 2026
Weight
63.0g / 63.1gConfirmed: Apple · Sep 9, 2026
61.6g / 61.8gConfirmed: Apple · Jul 15, 2026
Materials
49mm titanium Grade 5, 12mm thickConfirmed: Apple · Sep 9, 2026natural or black
49mmConfirmed: Apple · Jul 15, 2026titanium, 12mm thick
More specs
Processor
Apple S11 (64-bit dual-core, 4-core Neural Engine, 64GB)Confirmed: Apple · Sep 9, 2026
S10Confirmed: Apple · Jul 15, 2026
Software
watchOS 27Confirmed: Apple · Sep 9, 2026
watchOS 26
Connectivity
5G RedCap + Wi-Fi + satelliteConfirmed: Apple · Sep 9, 2026
5G + Wi-FiConfirmed: Apple · Jul 15, 2026
AI
Siri AI on watch (watchOS 27 beta)Confirmed: Apple · Sep 9, 2026
On-device (basic)AI Siri needs iPhone

Buying decision

Apple Watch Ultra 4
Buy now
Apple

Apple Watch Ultra 4

Just came out

It came out September 18, 2026, and new products rarely go on sale this soon.

No new model soon

We don't expect a newer model soon, so there's no reason to wait for one.

About Apple

Apple makes the iPhone, Apple Watch and AirPods, and is known for hardware and software designed to work together.

Visit Apple
More from Apple we cover
AirPods 5AirPods Pro 3iPhone 17iPhone Air (1st gen)

Returns and warranty

Returns

14-day returns· the clock starts the day it arrives

  • Send it back like new

    Return it in its original condition with all included parts, accessories and packaging.

  • How you get your money back
    Card refunds go to your bank within five business days after Apple receives the item.
    Returns may be inspected; approved refunds or exchanges are issued within 10 business days. Cash returns over $750 are paid by check within 10 business days.

Warranty

1-year warranty· starts the day you buy it

Covered

  • Defects in materials and workmanship

    Apple Watch is covered against defects in materials and workmanship for one year from the date of original retail purchase, under a separate Apple Watch warranty document.

  • Battery covered only for defects
    The standard warranty covers a battery only if it fails from a defect.
    The 80 percent rule belongs to AppleCare, not to the free warranty: AppleCare plans cover batteries that keep less than 80% of their original capacity.

Not covered

  • Water damage

    Apple says Apple Watch water resistance is not permanent, can diminish over time, and cannot be rechecked or resealed.

  • Accidents and misuse
    Damage caused by accident, abuse, misuse, fire, earthquake or other external cause is not covered (iPhone, Vision Pro, Apple Watch).
    The AirPods warranty excludes damage from abuse, accident, modifications or unauthorized repairs.
  • Scratches and dents

    Cosmetic damage such as scratches, dents and broken plastic on ports is not covered unless it comes from a defect.

  • Normal wear and aging

    Defects caused by normal wear and tear or normal aging are not covered.

  • Repairs by other shops

    Damage from service by anyone who is not Apple or an Apple Authorized Service Provider is not covered.

  • Add AppleCare+ or AppleCare One

    The AppleCare+ accidental damage fee is higher for Ultra: $79 instead of $69. Theft and loss is $119.

  • How it gets fixed
    Apple chooses to repair, replace with the same model (or a similar one with your consent), or refund the purchase price.
    For mail-in service Apple sends prepaid waybills and pays shipping both ways if you follow its packing instructions.

Good to know

  • Activation Lock / Find My

    If the security features are on and cannot be turned off by the person returning it, Apple may refuse the return.

  • Opened software

    Opened software, software downloads and gift cards cannot be returned.

What's in the box

What comes in the box with the Apple Watch Ultra 4?

Some things change with the version you buy. Here is what you get.

Apple Watch Ultra 4
Apple Watch Magnetic Fast Charger to USB-C Cable

Plus one of these, based on the version you pick

Alpine Loop
Trail Loop
Ocean Band
Titanium Milanese Loop

From Apple. Checked Sep 22, 2026.

When to buy

On sale since Sep 18, and no new model is close. Buy it if you want it.

Last 30 daysNo change$799 since Sep 18
Stores we check1Apple
Price checks30 over 30 days

All smartwatch prices

How we read this
  • We read store prices every day and keep every read. The price shown is the newest read from the retailer named.
  • A read older than 36 hours is never shown as the current price. It reads "last seen" and carries no buy link.
  • “30-day low” is the lowest of our own reads for this product in the last 30 days, not a retailer’s claim. We print the number of reads beside it, and we say nothing about a low until a product has a week of reads.
  • “Lowest known”, where it appears, is older price history from published reports and imports. It is shown only when it is lower than the 30-day low, and it is not counted as reads.
  • The verdict is worked out from the price, the history and whether a newer model is coming. It never depends on who pays us.

Current offers

Apple
$799
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Buy

We may earn a commission when you buy through these links.

Discount history

Discount below listEstimated reading

20%15%10%5%list20%15%10%5%list

9 discounts in the last twelve months. The deepest took Apple Watch Ultra 3 to $649, 19% off the $799 list price, in Jun 2026.

Reveal to on sale

How long after the reveal can you actually buy one?

Ultra16 days
Ultra 210 days
Ultra 310 days
Ultra 49 days

The gap has ranged from 9 days (Apple Watch Ultra 4) to 16 days (Apple Watch Ultra).

Available nowApple Watch Series 12UnknownGuide News
Available nowPixel Watch 5$399Guide News
Available nowSamsung Galaxy Watch 9$349+Guide News
Available nowSamsung Galaxy Watch Ultra 2$699Guide News

Frequently asked questions

Questions about Apple Watch Ultra 4

Top questions

How much does Apple Watch Ultra 4 cost?
Apple Watch Ultra 4 starts at $799 in the US.
Does the Apple Watch Ultra 4 come with a charger?
It comes with the Apple Watch Magnetic Fast Charger to USB-C Cable. Apple's in-the-box list does not include a power adapter.
What is the Apple Watch Ultra 4 battery life?
Up to 50 hours of normal use, and up to 84 hours in Low Power Mode. Workouts run to 18 hours outdoor, 25 in Extended Workout and 45 in Max Extended Workout. A 15-minute charge buys 18 hours.
Does Apple Watch Ultra 4 have blood pressure monitoring?
No. It gives you hypertension notifications rather than a blood pressure reading. No Apple Watch measures blood pressure directly.
Does Apple Watch Ultra 4 have Touch ID?
No. Its controls are the Action button, the Digital Crown and the side button, plus tap and wrist-flick gestures. There is no fingerprint reader on any Apple Watch.
What chip does Apple Watch Ultra 4 use?
The S11 chip, with a 64-bit dual-core processor, a 4-core Neural Engine and 64GB of storage. It is the same chip Apple put in Series 12.

Using it

How do I set it up?
To set up Apple Watch Series 12 and Apple Watch Ultra 4, you need an iPhone 11 or later with iOS 27 or later. Make sure your iPhone is unlocked. Wait for the "Use your iPhone to set up this Apple Watch" message to appear on your iPhone, then tap Continue. Center the watch face in the viewfinder on your iPhone. Wait for a message to say that your Apple Watch is paired.
How do I reset it?
On your iPhone, open the Apple Watch app. Go to the My Watch tab and tap All Watches. Tap the info button next to the watch that you want to unpair. Tap Unpair Apple Watch. On your Apple Watch, open the Settings app. Tap General, then tap Reset. Tap Erase All Content and Settings.
How do I update it?
On your iPhone, open the Apple Watch app, then tap the My Watch tab. Tap General, then tap Software Update. Tap General, then tap Software Update. Open the Settings app.
Live rewind siri recap?
Live Rewind and Siri Recap will be available in beta later this year, starting with English.
Software update?
This update provides bug fixes for your Apple Watch including fixing an issue where Apple Watch may restart unexpectedly.
Heart rate sampling?
With larger, power-efficient green LEDs on the optical heart sensor, Apple Watch Ultra 4 now measures heart rate every five seconds, all day long.
Readiness score?
The new readiness feature analyzes activity, vitals, and sleep score to deliver a daily 0-10 score along with actionable recommendations to optimize a user’s day.
Does it read blood glucose?
No, it has no glucose sensor.
Does it track sleep apnea?
It looks for signs that you may be at risk. It is a signal to act on, not a diagnosis.
How much storage does it have?
It comes with 64GB of storage.
Does it do 5G?
Yes, it does 5G.
How heavy is it?
It weighs 63g to 63.1g. The weight varies by size or finish.
How sharp and bright is the screen?
The screen reaches 3000 nits at its brightest. It packs 326 pixels into every inch.
How thick is it?
It is 12mm thick.
What chip is inside?
It runs on S11.
Which AI assistant does it use?
It uses Siri powered by Apple Intelligence.
What software does it run?
It runs watchOS 27.
What is it made of?
It is made of Titanium, Grade 5.
Does it do satellite SOS?
Yes, it can call for help by satellite. Off-grid emergency messaging where there is no signal.
What kind of screen is it?
It uses always-on ltpo3 oled under flat sapphire, 1hz refresh, 3,000 nits peak.
Does it track heart rate?
Yes, it tracks your heart rate.
Does it track sleep stages?
Yes, it tracks your sleep stages.

Sizing and fit

What sizes does it come in?
Case sizes: 49. 49mm titanium Grade 5, 12mm thick; natural or black
How do I pick the right size?
49mm titanium case

Battery and charging

How do I charge it?
Reposition the back of your watch on the charger. When the charger's magnets align correctly with your watch, a lightning bolt should appear on the watch face. If your watch is out of power, you might need to wait up to 30 minutes for the lightning bolt to appear.
Battery life?
Multiday battery life, up to 50 hours of normal use Up to 84 hours in Low Power Mode
Box contents?
In the Box Apple Watch Ultra 4 Band Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)
How long does the battery last?
It runs 2.1 days. That is 3.5 days in low power mode, and 45 hours, measured on max extended workout.

Water

How do I clean it?
Don't use products containing bleach or hydrogen peroxide. Wipe your Apple Watch clean with a nonabrasive, lint-free cloth. If necessary, lightly dampen the cloth with fresh water.
Is it water resistant?
Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010
Can it get wet (shower, pool, swimming)?
Yes, you can shower and swim in it. It is rated to 100m, and for snorkelling. Its rating is WR100, IP6X.

Price and models

When did the Apple Watch Ultra 4 come out?
It went on sale September 18, 2026. Announced September 9, 2026.
Is there a newer one?
No. The Apple Watch Ultra 4 is the current model.
How much does each model of the Apple Watch Ultra 4 cost?
apple watch ultra 4: $799. The maker's own prices.
What colors does it come in?
Black, Natural.

Returns and warranty

How long do I have to return it?
14-day returns The clock starts the day it arrives.
Is there a restocking fee?
Restocking fee: not stated by Apple
Who pays return shipping?
Who pays return shipping: not stated by Apple Start the return online and print a return label, then schedule a carrier pickup or drop it at the carrier. You can also return it at any U.S. Apple Store.
Can I return it if I opened or wore it?
Send it back like new Return it in its original condition with all included parts, accessories and packaging.
How do I get my money back?
How you get your money back Card refunds go to your bank within five business days after Apple receives the item. Returns may be inspected; approved refunds or exchanges are issued within 10 business days. Cash returns over $750 are paid by check within 10 business days.
How long is the warranty?
1-year warranty Starts the day you buy it.
Is there a paid protection plan?
Add AppleCare+ or AppleCare One The AppleCare+ accidental damage fee is higher for Ultra: $79 instead of $69. Theft and loss is $119.
Is water damage covered?
Water damage not covered Apple says Apple Watch water resistance is not permanent, can diminish over time, and cannot be rechecked or resealed.
Is the battery covered?
Battery covered only for defects The standard warranty covers a battery only if it fails from a defect. The 80 percent rule belongs to AppleCare, not to the free warranty: AppleCare plans cover batteries that keep less than 80% of their original capacity.

In the box

What's in the box?
Apple Watch Ultra 4, Apple Watch Magnetic Fast Charger to USB-C Cable.

Works with

Does the Apple Watch Ultra work with Google Pixel and other Android phones?
Pixel and other Android phones can't replace the required iPhone. Doesn't work
Does MyFitnessPal work with the Apple Watch Ultra 4?
MyFitnessPal has an Apple Watch app. Works
Does the Apple Watch Ultra support apps like Strava, Spotify, WhatsApp, and Google Maps?
Strava, Spotify, WhatsApp, and Google Maps all work, with limits. With a limit
Does WhatsApp work on the Apple Watch Ultra 4?
WhatsApp has an Apple Watch app, but setup and sync need your iPhone. With a limit
Does the Apple Watch Ultra work with my car?
It can act as a digital car key in supported cars. With a limit
How does the Ultra 4 charge?
Use the Apple Watch Magnetic Fast Charger; the included A3277 is fastest. Works
Does the Apple Watch Ultra support tap-to-pay?
Apple Pay works where your bank, card, and market support it. With a limit
How does the Apple Watch Ultra use the iPhone app, Apple Account, and subscriptions?
Set it up in the Apple Watch app; Apple Fitness+ is optional. Works
Does the Apple Watch Ultra support cellular service?
4G LTE and 5G work with an eligible carrier plan where supported. With a limit
Does the Apple Watch Ultra support ECG, Blood Oxygen, and other health features?
Five health features work, but age, region, device, and clearance rules vary. With a limit
Does the Apple Watch Ultra support messages and notifications away from the iPhone?
Many work over Wi-Fi or cellular, but some still need the iPhone on. With a limit
Does the Ultra 4 support 44mm, 45mm, 46mm, and 49mm Apple Watch band families?
Use a band whose Apple compatibility list includes 49mm. Works
Does the Apple Watch Ultra support setup for a child without their own iPhone?
Apple Watch For Your Kids can work without the child's own iPhone. With a limit
Does the Apple Watch Ultra work with a Mac?
It can unlock a compatible Mac, but the Mac can't replace the required iPhone. With a limit
Does the Apple Watch Ultra support Siri?
Siri is built in; Siri AI needs a nearby Apple Intelligence-enabled iPhone. With a limit
Does the Apple Watch Ultra support Find My?
Find My can locate and protect a lost Apple Watch Ultra. Works
Does the Apple Watch Ultra support satellite Emergency SOS, Messages, and Find My?
Satellite can handle Emergency SOS, Messages, and Find My in supported regions. With a limit
Does the Apple Watch Ultra support fitness sensors and gym equipment?
It works with Bluetooth fitness sensors and compatible GymKit equipment. With a limit
Does the Apple Watch Ultra support the same features in every region and language?
Some features vary by country, region, language, or carrier. With a limit

The Apple Watch App Switcher is back in watchOS 27.2 beta 2

Apple removed the quick way to jump between recent apps in watchOS 27 and is now testing its return, though on a new long press rather than the old Digital Crown double-click. It is a beta, so the gesture could still change.

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