Fitbit Ionic vs. LG Watch Sport vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex

 
Ionic
Watch Sport
Alta HR
A370
T-Rex
 FitbitIonicRemove Buy NowLGWatch SportRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$349$150$179.95$140
Release20172016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1.45 days7 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250480 x 480128 x 36160 x 80360 x 360
Size1.421.38 inches1.4 inches1.18 inches1.3 inches
Touch
TypeOLEDP-OLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP68WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2Build-in
Apps
Music

All Wearables