Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Fitbit Charge vs. Fitbit Flex

 
WSD-F20A
On Full Guard
Alta HR
Charge
Flex
 CasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$399$325$150$130$100
Release20182017201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day7 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x 454128 x 36NANA
Size1.32 inches1.4 inches1.4 inchesNANA
TouchNANA
TypeLCDOMOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0NANA
Apps
Music

All Wearables