Fitbit Charge 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Charge vs. Fitbit Flex

 
Charge 2
WSD-F20A
On Full Guard
Charge
Flex
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$399$325$130$100
Release20162018201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454 x 454NANA
Sizen/a1.32 inches1.4 inchesNANA
Touchn/aNANA
TypeOLEDLCDOMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NANA
Apps
Music

All Wearables