Fitbit Alta vs. Fitbit Zip vs. Diesel On Full Guard 2.5 vs. Amazfit GTS vs. Amazfit T-Rex

 
Alta
Zip
On Full Guard 2.5
GTS
T-Rex
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$60$325$150$140
Release20162012201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months4 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454x454348 x 442360 x 360
Sizen/an/a1.39 inches1.65 inches1.3 inches
Touchn/a
TypeOLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant3 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWear OSBuild-in
Apps
Music

All Wearables