What does the Samsung Galaxy Watch 8 work with?

Q: Does the Galaxy Watch 8 work with iPhone?

No. It needs an Android phone to set up.

Q: Does the Galaxy Watch 8 work with Pixel and other Android phones?

Yes, but ECG, irregular rhythm alerts, sleep apnea and Suggested Replies need a Samsung phone.

Q: Does the Galaxy Watch 8 work with Android phones?

Yes, but it needs Android 12 and 1.5 GB of RAM, and ECG, irregular rhythm alerts and sleep apnea need a Samsung phone.

Q: Does the Galaxy Watch 8 work with Samsung Galaxy phones?

Yes. Every feature works on Android 12 or later, including ECG, irregular rhythm alerts and sleep apnea.

Ask about the Galaxy Watch 8

Can it get wet (shower, pool, swimming)? Yes, you can swim in it. It is rated to 5 ATM. It is not for scuba diving. Its rating is IP68. The rating does not cover hot showers, soap or saunas.
What does it cost? It costs $299.99. That is the current list price. It launched at $349.99.
Does it measure blood pressure? Yes, after you calibrate it with a separate upper-arm cuff. The cuff is sold separately, and the watch asks you to calibrate again from time to time. Availability depends on jurisdiction/approval.
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. Its screening is FDA-cleared. It is a signal to act on, not a diagnosis.
How heavy is it? It weighs 30g for the 40mm case and 34g for the 44mm case. That is the watch body without a band.
How sharp and bright is the screen? The screen reaches 3000 nits at its brightest.
What chip is inside? It runs on Exynos W1000.
Which AI assistant does it use? It uses Samsung Galaxy AI.
What software does it run? It runs Wear OS 6. It has One UI Watch 8 over the top.
What is it made of? It is made of aluminum.
Does it do satellite SOS? No, it does not do satellite SOS.
What kind of screen is it? It is an AMOLED screen. The pixels light themselves, so blacks are deep and it can dim to almost nothing.
Does it track sleep stages? Yes, it tracks your sleep stages.
Does it do 4G LTE? Yes, it has 4G LTE.

TO SHELF

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Released Jul 25, 2025Guide updated Nov 9, 2026

Watch 8 is Samsung's most complete Wear OS watch so far. The squircle case divides opinion, but what is inside does not: a bright display, a deep health stack that includes blood pressure and the Antioxidant Index, and Galaxy AI on your wrist.

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Your phone

A smartwatch that works with Samsung Galaxy phones. It also works with other Android phones, with some limits. It does not work with iPhone.

Android

Does the Galaxy Watch 8 work with Samsung Galaxy phones?

Yes. Every feature works on Android 12 or later, including ECG, irregular rhythm alerts and sleep apnea.

Does the Galaxy Watch 8 work with Android phones?

Yes, but it needs Android 12 and 1.5 GB of RAM, and ECG, irregular rhythm alerts and sleep apnea need a Samsung phone.

Does the Galaxy Watch 8 work with Pixel and other Android phones?

Yes, but ECG, irregular rhythm alerts, sleep apnea and Suggested Replies need a Samsung phone.

iPhone

Does the Galaxy Watch 8 work with iPhone?

No. It needs an Android phone to set up.

Not supportedNatural Cycles

Other devices

Does the Galaxy Watch 8 support interchangeable bands with other Galaxy Watch models?

Yes, but only Dynamic Lug System bands. They span Watch 8, Watch 8 Classic and Watch 9, but not Watch 7.

Does the Galaxy Watch 8 work with Bluetooth headphones?

Yes, but calls to them work only on LTE models. Music works on every model.

Apps, accounts and services

Does the Galaxy Watch 8 support third-party apps?

Yes. Wear OS apps from Google Play work, for maps, messaging, music and fitness.

Does the Galaxy Watch 8 support Galaxy Watch for Kids?

Yes, with the LTE model and Samsung's supported service.

Does the Galaxy Watch 8 work with Natural Cycles?

No. It isn't on Natural Cycles' list of supported wearables.

What it can do

Does the Galaxy Watch 8 support tap-to-pay?

Yes, but it depends on Samsung Wallet or Google Wallet supporting your bank, card and country.

Does the Galaxy Watch 8 support notifications and replies?

Yes, but Suggested Replies need a Samsung phone.

Does the Galaxy Watch 8 support LTE?

Yes, with an LTE model, a supported carrier and a cellular plan.

Does the Galaxy Watch 8 support Samsung Find or Google Find Hub?

Yes. Samsung Find works with Galaxy phones, and Google Find Hub with other Android phones.

Does the Galaxy Watch 8 support voice assistants?

Yes, but Bixby and Gemini depend on language and region, and some features need LTE.

Does the Galaxy Watch 8 work with fitness equipment and sensors?

Yes, but smart trainers don't work. Power, speed and cadence sensors do.

Samsung Galaxy phones only

Does the Galaxy Watch 8 support ECG, irregular rhythm notifications and sleep apnea?

Yes, on Samsung Galaxy phones. They also need a supported region.

How it works

How does the Galaxy Watch 8 get set up and sync health data?

Galaxy Wearable sets it up, Samsung Health keeps your health data, and some features need a Samsung account.

How does the Galaxy Watch 8 charge?

With the included EP-OL300 wireless charger. Older Galaxy Watch chargers don't work.

Does the Galaxy Watch 8 support the same features in every country and language?

No. Health monitoring, LTE, wallets and assistants each vary by country, carrier and language.

Ask about anything else

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