Casio WSD-F20A vs. Fitbit Versa vs. Garmin Forerunner 235 vs. Fitbit Charge vs. Fitbit Flex

 
WSD-F20A
Versa
Forerunner 235
Charge
Flex
 CasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$399$199.99$299.99$130$100
Release20182018201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day4 days9 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320300 x300215 x 180NANA
Size1.32 inches1.34 inches1.23 inchesNANA
TouchNANA
TypeLCDOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANA
Apps
Music

All Wearables