Fitbit Ionic vs. Garmin Vivosmart HR Plus vs. Amazfit GTR vs. Amazfit T-Rex

 
Ionic
Vivosmart HR Plus
GTR
T-Rex
 FitbitIonicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$179$199$140
Release2017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250160 x 68454 x 454360 x 360
Size1.420.5 inches x 0.8 inches1.39 inches1.3 inches
Touch
TypeOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNABuild-inBuild-in
Apps
Music

All Wearables