ASUS ZenWatch 2 vs. Amazfit Stratos vs. Fitbit Flex vs. Amazfit GTR vs. Apple Watch 7

 
ZenWatch 2
Stratos
Flex
GTR
Watch 7
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$199$100$199$429
Release20162018201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days24 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 300NA454 x 454396 x 484
Size1.63 inches or 1.45 inch1.34 inchesNA1.39 inches1.9 inches
TouchNA
TypeAMOLEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryNABuild-inWatchOS 8
Apps
Music

All Wearables