ASUS ZenWatch 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Charge vs. Amazfit T-Rex

 
ZenWatch 2
Ionic
Stratos
Charge
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$299$199$130$140
Release20162017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days5 days7-10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250320 x 300NA360 x 360
Size1.63 inches or 1.45 inch1.421.34 inchesNA1.3 inches
TouchNA
TypeAMOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSProprietaryNABuild-in
Apps
Music

All Wearables