Fitbit One vs. Amazfit Stratos vs. Fitbit Versa vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
One
Stratos
Versa
On Full Guard 2.5
T-Rex
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$199$199.99$325$140
Release20122018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days4 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300300 x300454x454360 x 360
Sizen/a1.34 inches1.34 inches1.39 inches1.3 inches
Touch
TypeOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSBuild-in
Apps
Music

All Wearables