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

 
ZenWatch 2
ZenWatch 3
Ionic
Charge 3
Watch 7
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$229$299$150$429
Release20162017201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours4+ days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320400 x 400348x25066 x 18396 x 484
Size1.63 inches or 1.45 inch1.39 inches1.42.721 inches1.9 inches
Touch
TypeAMOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Fitbit OSNAWatchOS 8
Apps
Music

All Wearables