Polar V800 vs. Casio WSD-F20A vs. Polar A370 vs. Polar Loop vs. Apple Watch Series 4

 
V800
WSD-F20A
A370
Loop
Watch Series 4
 PolarV800Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$470$399$179.95$100$329
Release20142018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days1 dayUp to 3 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320160 x 80NA384 x 480
Sizen/a1.32 inches1.18 inchesNA1.78 inches
Touch
Typen/aLCDTFT LCDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMWR302 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatch OS 5
Apps
Music

All Wearables