Fitbit One vs. Polar A360 vs. Amazfit Stratos vs. Amazfit GTR vs. Amazfit T-Rex

 
One
A360
Stratos
GTR
T-Rex
 FitbitOneRemove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$200$199$199$140
Release20122015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days12 days5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 300454 x 454360 x 360
Sizen/a1.18 inches1.34 inches1.39 inches1.3 inches
Touch
TypeOLEDn/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuild-inBuild-in
Apps
Music

All Wearables