Casio WSD-F20A vs. Fitbit Charge vs. Polar Loop

 
WSD-F20A
Charge
Loop
 CasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$130$100
Release201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA
Size1.32 inchesNANA
TouchNA
TypeLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANA
Apps
Music

All Wearables