ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Amazfit GTR vs. Apple Watch 7

 
ZenWatch 2
Ionic
Charge HR
GTR
Watch 7
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$299$150$199$429
Release20162017201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ 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 320348x250NA454 x 454396 x 484
Size1.63 inches or 1.45 inch1.42NA1.39 inches1.9 inches
TouchNA
TypeAMOLEDOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNABuild-inWatchOS 8
Apps
Music

All Wearables