Casio WSD-F20A vs. Fitbit Versa vs. Fitbit Flex vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
WSD-F20A
Versa
Flex
Watch Series 4
Inspire HR
 CasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$399$199.99$100$329$99
Release20182018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day4 days5 daysNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320300 x300NA384 x 480139 x 60
Size1.32 inches1.34 inchesNA1.78 inches1.4 inches
TouchNA
TypeLCDOLEDLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWatch OS 5Fitbit OS
Apps
Music

All Wearables