Polar A360 vs. Casio WSD-F20A vs. Polar A370 vs. Apple Watch Series 4 vs. HTC re Grip

 
A360
WSD-F20A
A370
Watch Series 4
re Grip
 PolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$399$179.95$329$199
Release20152018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days1 dayUp to 3 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80320 x 320160 x 80384 x 480160 x 32
Size1.18 inches1.32 inches1.18 inches1.78 inches1.8 inches
Touch
Typen/aLCDTFT LCDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATMWR30Not YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5NA
Apps
Music

All Wearables