ASUS ZenWatch 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
ZenWatch 2
Alta HR
Flex
T-Rex
Inspire 3
 ASUSZenWatch 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$150$150$100$140$100
Release20162017201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days5 days20 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 36NA360 x 36032x18
Size1.63 inches or 1.45 inch1.4 inchesNA1.3 inches46 inches
TouchNA
TypeAMOLEDOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNABuild-in
Apps
Music

All Wearables