Amazfit T-Rex Pro smartwatch
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Amazfit T-Rex Pro Check Price $179.99 Amazon

The Amazfit T-Rex Pro is a durable smartwatch to accurately track and plan your workouts while measuring your heart rate, it is a great value option.

Fast Talk

The Amazfit T-Rex Pro was previously created by the Chinese brand Zepp Health – Huami.

The Amazfit T-Rex Pro is a good choice for you if you want to start mapping your adventures, gathering data and measuring your heart rate, and for high altitudes, as this watch can do all of that – and more.

Amazfit T-Rex Pro has around 100 sports modes such as running, hiking, snowboarding, rock climbing and cross-country skiing.

It comes with a Global Positioning System (GPS), so it can set your path, plus it is water resistant to a depth of 100 meters.

The battery life of the Amazfit T-Rex Pro is amazing, as its battery life can extend to 18 days – and this despite the presence of a bright 1.3 inch AMOLED color display.

And the low price of the Amazfit T-Rex Pro is a big achievement, especially considering that it is a durable fitness tracker and a smartwatch at the same time, for example the Amazfit T-Rex Pro is also able to pass notifications from your smartphone and control the music via Bluetooth 5.0.

He also owns the Zepp app, but although you do have the ability to post your latest workouts on social networks, you can’t do much with this data.

The price for the Amazfit T-Rex Pro is around $ 179.99, about £ 139, AU $ 249.

The T-Rex Pro was released in March 2021 in the US, and in the UK it can be purchased from either Argos or Amazon. It comes in three colors: Meteor Black, Desert Green and Steel Blue.


  • Heart rate and SpO2 tracking
  • Clear data readings
  • 1 week battery life
  • Water resistant to a depth of 100 meters
  • Color screen


  • There is no GPS navigation system
  • There is no integration with third-party apps
  • Dull design

Crowded design with AMOLED screen

The design of the Amazfit T-Rex Pro cannot be said to be elegant or impressive, as it is very similar to the original Amazfit T-Rex.

The Amazfit T-Rex Pro also has four screws in the frame for a practical, industrial and somewhat cute look.

Also, there are four metal buttons located in the position, back, top and bottom on the edge of the casing large enough to press easily while running, but we found it very easy to make accidental pressure inevitable.

Amazfit T-Rex Pro smartwatch design

The Amazfit T-Rex Pro comes with a radius of 47.7 mm and a thickness of 13.5 mm. It is made of polycarbonate that has a relatively masculine appearance and is light in general, which means that it never feels heavy when you wear it.

Amazfit T-Rex Pro also comes with shock resistance, and can withstand -40 ° C to 70 ° C, in addition to that it is resistant to salt spray and meets the MIL-STD-810G standard, and most importantly, it is water resistant up to 100 meters.

Amazfit T-Rex Pro features a 1.3-inch AMOLED touch screen with a resolution of 360 x 360 pixels.

It is very cool, as you can easily see it in bright sunlight, but naturally the brightness will affect its battery life, which Zepp estimates at 18 days.

The Amazfit T-Rex Pro comes with a wrist strap

Amazfit T-Rex Pro strap

with a width of 22 mm in silicone rubber which is very comfortable to wear and stays in place when running.

Also available with the watch is a special charger that is attached magnetically to the back of the case, and the back of the case features flashing LED lights for the new optical sensor from Zepp for 2021, which measures heart rate and SpO2, in addition to an accelerometer, gyroscope, altimeter, geomagnetic sensor and ambient light sensor.

Recommended: Amazfit GTS 2 Mini Review

Features: Customizable clock faces and screensavers

Although the Amazfit T-Rex Pro is a fitness watch, it also has some features similar to a smartwatch, for example you can set it to sound haptic ringing for incoming text messages, calls and reminders, in addition to the ability to exercise basic music control on your phone.

You can also get the weather forecast, sunrise and sunset times, and the current moon phase if you connect the watch to a smartphone via Bluetooth.

Overall, the Amazfit T-Rex Pro is great to use on the go, thanks to the touch screen made of tempered glass, as it responds often enough, so swipe up and down between the watch face and the shortcut control panel.

There are modes such as Power Save / Do Not Disturb, to choose a screen saver and adjust screen brightness. It is also possible to set the display to “always on” during specified times.

Recommended: Amazfit Band 5 Review

Fitness Features: Accurate heart rate monitor with clear data

Overall, the Amazfit T-Rex Pro is a smartwatch option with good performance and great value, but not without its limitations.

The Amazfit T-Rex Pro includes more features than it should be at its low price, for example there is a global positioning system (GPS) and heart rate monitoring and both work well.

During tests, we found that it raises your heart rate every 10 minutes while at rest and continuously during activity.

amazfit t-rex pro fitness tracker mood

GPS tracking – which uses GPS, GLONASS, Galileo, or BeiDou – was also very pure during our tests.

For example, during a running workout, you will get quick data about elapse time and calories burn, as well as average heart rate and even subtle details such as rhythm, average stride and heart rate ranges.

There are also readers for the amount of oxygen in the body, which provide you with the maximum amount of oxygen in milliliters that one can use in one minute for every kilogram of body weight.

All in all, the SpO2 readings are more recent and are not really relevant unless you are hiking at a great height.

One of the great advantages

is that the Amazfit T-Rex Pro can automatically detect your activity, or you can actually press the Mode button and scroll down until you reach the intended activity, and there are about 24 activities in the list.

We ran into one frustrating problem during the tests, which was how futile the button layout was for hiking. For example, it was very easy to press the “select” button while wearing the sleeve over the T-Rex Pro, which pauses the exercise, so while hiking Wearing a jacket the result is incomplete data.

Finally the Amazfit T-Rex Pro has a vibrating alarm clock, but instead of a gentle tactile chime or two, you get heavy-duty bursts that don’t last for 20 seconds.

Recommended: Amazfit GTR 2 Review

Long lasting battery , Zepp app

Zepp stated that the T-Rex Pro has an “up to” 18 days of battery, but during testing we find a little less, although if you’ve been working out for an hour every day and intentionally tracking it, you can expect to run the T-Rex Pro for up to two hours. Almost a week.

But the battery will last less if you set the screen to maximum brightness and Always On.

Amazfit T-Rex Pro comes with the brand’s free Zepp app, which provides you with data on your current heart rate, step count, SpO2 levels, and previous workout records, as it is display clearly and in color.

But during tests we find that the “My Goals” section of the app, which is just daily target steps, target weight, target calories, and we feel the confidentiality of the data that seem to be obsess with collecting.

Through the app you are also awarded “Personal Activity Intelligence” (PAI) points, and this is a commendable effort to give users a single numerical value to represent the physical effort of that day.

The Amazfit T-Rex Pro also has a “Workout Assist” section and a “Virtual Rabbit” mode so you can race against your time in a previous workout, but it doesn’t alert you if you’re behind for speed.

Unfortunately, the T-Rex Pro is not associate with third-party apps.


Overall, the Amazfit T-Rex Pro is a good value heart rate tracker, as it provides heart rate tracking and can be set to make a haptic noise every time you enter the area.

Amazfit T-Rex Pro also has a very nice battery, which can last for several days, but when the day to recharge comes, you must use a special charging cable.

I was a little disappointed when I notice that the Amazfit T-Rex Pro doesn’t have GPS, it won’t help you get directions, and the T-Rex Pro doesn’t integrate with any third-party apps like Strava or My Fitness Pal.

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