Fitbit Charge 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Fitbit Inspire HR vs. Apple Watch 7

 
Charge 2
WSD-F20A
Watch Series 4
Inspire HR
Watch 7
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$399$329$99$429
Release20162018201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayNot Yet5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320384 x 480139 x 60396 x 484
Sizen/a1.32 inches1.78 inches1.4 inches1.9 inches
Touchn/a
TypeOLEDLCDMicroLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNot Yet5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5Fitbit OSWatchOS 8
Apps
Music

All Wearables