Casio WSD-F20A vs. Samsung Live vs. Fitbit Charge vs. Fitbit Flex vs. Polar Loop

 
WSD-F20A
Live
Charge
Flex
Loop
 CasioWSD-F20ARemove Buy NowSamsungLiveRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$200$130$100$100
Release20182014201420132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 Day7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NANANA
Size1.32 inches1.63 inchesNANANA
TouchNANA
TypeLCDSuper AMOLEDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNANANA
Apps
Music

All Wearables