Polar A360 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
A360
Ionic
WSD-F20A
Grayson
Loop
Grayson
 PolarA360Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$299$399$350$100$350
Release201520172018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days4+ days1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80348x250320 x 320453 x 454NA453x454
Size1.18 inches1.421.32 inches1.39 inchesNA1.39 inches
Touch
Typen/aOLEDLCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR3050m5 ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables