# Amazfit T-Rex 3

The text version of the iDevice Guide at https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3. Same data as the page, last updated 2026-10-02.

> The lowest-priced T-Rex. Free offline maps and up to 27 days of typical use, at $279.99.

- Status: On sale
- List price: $279.99 (The maker's own starting price.)
- Released Sep 6, 2024 (source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3.js))
- Guide: https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3
- Last updated: 2026-10-02

## Can it do this?

- **How long does the battery last?** It runs 42 hours on dual-frequency GPS. That is 27 days in normal use. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-how-long-does-the-battery-last))
- **What does it cost?** It costs $279.99. That is the list price. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-what-does-it-cost))
- **Does it have GPS?** Yes, it has its own GPS. It works without your phone. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-does-it-have-gps))
- **Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 10 ATM, and for snorkelling. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-can-it-get-wet-shower-pool-swimming))
- **How big is the screen?** The screen measures 1.5 inches. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-how-big-is-the-screen))
- **How heavy is it?** It weighs 68.3g. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-how-heavy-is-it))
- **How does it connect?** It connects over Wi-Fi. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-how-does-it-connect))
- **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. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#can-what-kind-of-screen-is-it))

## Works with

A smartwatch that works with iPhone and Android.

- **Which iPhones does the Amazfit T-Rex 3 work with?** Works. It works with every iPhone that runs iOS 14.0 or later, from the iPhone 6s on. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-which-iphones))
- **Does the Amazfit T-Rex 3 work with Android?** Works. Yes. The T-Rex 3 works with an Android phone running Android 7.0 or later, through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-android))
- **Does the Amazfit T-Rex 3 work with Apple Health?** Works. Yes. Apple Health is on the list of apps the T-Rex 3 syncs to through the Zepp app on an iPhone. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-apple-health))
- **How does the Amazfit T-Rex 3 handle bands?** Works. Takes 22 mm quick-release straps. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02.
- **How does the Amazfit T-Rex 3 handle charging?** Works. Charges on Amazfit's magnetic charging base. No USB-C cable comes in the box, so you use your own. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02.
- **Does the Amazfit T-Rex 3 work with Google Fit?** Works. Yes. Google Fit is on the list of apps the T-Rex 3 syncs to through the Zepp app on Android. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-google-fit))
- **Does the Amazfit T-Rex 3 work with iPhone?** Works. Yes. The T-Rex 3 works with an iPhone running iOS 14.0 or later, through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-iphone))
- **Does the Amazfit T-Rex 3 work with Komoot?** Works. Yes. Komoot is on the list of apps the T-Rex 3 syncs to through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-komoot))
- **Does the Amazfit T-Rex 3 work with MyFitnessPal?** Doesn't work. No. Amazfit says the Zepp app does not sync with MyFitnessPal. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#q-myfitnesspal))
- **How does the Amazfit T-Rex 3 handle sensors and accessories?** Works. Pairs Bluetooth workout sensors such as a chest heart rate strap, power meters and cycling speed and cadence sensors. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). Checked 2026-10-02.

## Questions

### How much does the T-Rex 3 cost?

$279.99 at Amazfit's US store, the same price it launched at. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faq-how-much-does-the-t-rex-3-cost))

### When did the T-Rex 3 come out?

Amazfit launched it at IFA Berlin on Sept 6, 2024. Source: [Amazfit](https://us.amazfit.com/blogs/news/amazfit-t-rex-3-launches-at-ifa-berlin-redefining-adventure-for-modern-explorers). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faq-when-did-the-t-rex-3-come-out))

### Which phones work with the T-Rex 3?

Android 7.0 and above and iOS 14.0 and above, through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faq-which-phones-work-with-the-t-rex-3))

### How long does the T-Rex 3 battery last?

Up to 27 days of typical use, up to 42 hours in the accurate GPS mode and up to 180 hours at most with GPS. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faqs-how-long-does-the-t-rex-3-battery-last))

### How long does the T-Rex 3 take to charge?

About 3 hours from empty. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faqs-how-long-does-the-t-rex-3-take-to-charge))

### What screen does the T-Rex 3 have?

A 1.5-inch AMOLED at 480 x 480 under Gorilla Glass. Amazfit says it reaches up to 2,000 nits. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faqs-what-screen-does-the-t-rex-3-have))

### Can I dive with the T-Rex 3?

Yes. It is rated 10 ATM and certified for freediving to 147 feet. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faqs-can-i-dive-with-the-t-rex-3))

### Can the T-Rex 3 take calls?

No. It has a microphone but no built-in speaker, so it cannot take calls on the watch. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3#faqs-can-the-t-rex-3-take-calls))

---

Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3. This file: https://idevice.com/guide-text/amazfit-t-rex-3.md.

## Questions and answers

### Using it

**What does it cost?** It costs $279.99. That is the list price. Source: Amazfit

**Does it have GPS?** Yes, it has its own GPS. It works without your phone. Source: Amazfit

**How big is the screen?** The screen measures 1.5 inches. Source: Amazfit

**How heavy is it?** It weighs 68.3g. Source: Amazfit

**How does it connect?** It connects over Wi-Fi. Source: Amazfit

**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. Source: Amazfit

### Sizing and fit

**What sizes does it come in?** 48.5 x 48.5 x 13.75 mm; stainless steel bezel, polymer middle frame. Source: Amazfit

### Water

**Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 10 ATM, and for snorkelling. Source: Amazfit

### Price and models

**Is there a newer one?** Yes: the Amazfit T-Rex 3 Pro, out September 5, 2025. Source: [iDevice](/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro)

**How much does the Amazfit T-Rex 3 cost?** List price: $279.99. Current price we last read at Amazfit: $279.99, October 2, 2026. Source: [us.amazfit.com](https://us.amazfit.com/products/amazfit-t-rex-3)

### Returns and warranty

**How long do I have to return it?** 30-day returns The clock starts the day you buy it. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy)

**Is there a restocking fee?** Up to 15% restocking fee If you send it back without a return approval or without all parts, Amazfit may refuse it or charge a restocking fee of 15% of the price, or the value of the missing accessories if that is higher. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy)

**Who pays return shipping?** You pay return shipping You pay return shipping up front, and you carry the risk if it is lost or damaged on the way. Original shipping, gift wrap and taxes are not refunded. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy)

**Can I return it if I opened or wore it?** Send it back like new Any reason, within 30 days of purchase, with a return approval (RMA). The item must be in the same physical condition as when bought (not broken or damaged), with all accessories, free gifts and the original packaging. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy)

**How do I get my money back?** How you get your money back Paid within 4 weeks after Amazfit receives the product. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy)

**How long is the warranty?** 1-year warranty Starts the day you buy it. Source: [Amazfit](https://help.amazfit.com/us/warranty)

**Is water damage covered?** Water damage not covered Spillage of food or liquid is named as an accident that is not covered. Water resistance is not addressed in words. Source: [Amazfit](https://help.amazfit.com/us/warranty)

**Is the battery covered?** Battery rules: not stated by Amazfit Source: [Amazfit](https://help.amazfit.com/us/warranty)

### In the box

**What's in the box?** T-Rex 3 with standard strap, Magnetic charging base, Instruction manual. Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

### Works with

**Does the Amazfit T-Rex 3 work with iPhone?** Yes. The T-Rex 3 works with an iPhone running iOS 14.0 or later, through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

**Does the Amazfit T-Rex 3 work with Komoot?** Yes. Komoot is on the list of apps the T-Rex 3 syncs to through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

**Does the Amazfit T-Rex 3 work with MyFitnessPal?** No. Amazfit says the Zepp app does not sync with MyFitnessPal. Doesn't work Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

**How does the Amazfit T-Rex 3 handle sensors and accessories?** Pairs Bluetooth workout sensors such as a chest heart rate strap, power meters and cycling speed and cadence sensors. Works Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

**Does the Amazfit T-Rex 3 work with Strava?** Yes. Strava is on the list of apps the T-Rex 3 syncs to through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)

**Does the Amazfit T-Rex 3 work with TrainingPeaks?** Yes. TrainingPeaks is on the list of apps the T-Rex 3 syncs to through the Zepp app (connected via Terra). Works Source: [Amazfit](https://us.amazfit.com/products/amazfit-t-rex-3)