Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Apple Watch 7

 
Charge 2
ZenWatch 3
Ionic
WSD-F20A
Watch 7
 FitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$229$299$399$429
Release20162017201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250320 x 320396 x 484
Sizen/a1.39 inches1.421.32 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWear OSWatchOS 8
Apps
Music

All Wearables