Casio WSD-F20A vs. Fitbit Charge 3 vs. Polar A370 vs. Polar Loop vs. HTC re Grip

 
WSD-F20A
Charge 3
A370
Loop
re Grip
 CasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$399$150$179.95$100$199
Release20182018201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 daysUp to 3 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNot yetNANA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 32066 x 18160 x 80NA160 x 32
Size1.32 inches.721 inches1.18 inchesNA1.8 inches
Touch
TypeLCDOLEDTFT LCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR302 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANANA
Apps
Music

All Wearables