ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. HTC re Grip vs. Apple Watch 7

 
ZenWatch 2
Ionic
Charge 3
re Grip
Watch 7
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$299$150$199$429
Release20162017201820202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days7 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320348x25066 x 18160 x 32396 x 484
Size1.63 inches or 1.45 inch1.42.721 inches1.8 inches1.9 inches
Touch
TypeAMOLEDOLEDOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATMIP57water resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNANAWatchOS 8
Apps
Music

All Wearables