Polar A360 vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
A360
Loop 2
Forerunner 935
Grayson
Watch Series 4
Grayson
 PolarA360Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$500$350$329$350
Release201520152017201820182018

Activity & Fitness

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

Battery

Duration12 days8 days (without notifications)Up to 2 weeks24 hoursNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80n/a240 x 240453 x 454384 x 480453x454
Size1.18 inchesn/a1.2 inches1.39 inches1.78 inches1.39 inches
Touch
Typen/aLEDLCDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATM5 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables