ASUS ZenWatch 3 vs. Fitbit Ionic vs. Michael Kors Access Sofie vs. Polar A370 vs. Amazfit T-Rex

 
ZenWatch 3
Ionic
Access Sofie
A370
T-Rex
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$299$395$179.95$140
Release20172017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days1 dayUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250390 x 390 1.19 inches160 x 80360 x 360
Size1.39 inches1.421.18 inches1.3 inches
TouchAMOLDED
TypeAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables