Polar A360 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
A360
ZenWatch 3
Ionic
G-Shock GBA800
T-Rex
 PolarA360Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$229$299$120$140
Release20152017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days48 hours4+ days2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80400 x 400348x250360 x 360
Size1.18 inches1.39 inches1.421.3 inches
Touch
Typen/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR3050m20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSBuild-in
Apps
Music

All Wearables