Casio WSD-F20A vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Polar A370 vs. HTC re Grip

 
WSD-F20A
Forerunner 235
Vivofit 4
A370
re Grip
 CasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$399$299.99$79.95$179.95$199
Release20182017201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day9 days1 yearUp to 3 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 18088 x 88160 x 80160 x 32
Size1.32 inches1.23 inchesNA1.18 inches1.8 inches
Touch
TypeLCDMIPNATFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables