Apple Watch Series 3 vs. Polar Loop 2 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Watch Series 3
Loop 2
ZenWatch
Grayson
A370
Grayson
 AppleWatch Series 3Remove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$120$150$350$179.95$350
Release201720152014201820172018

Activity & Fitness

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

Battery

Duration18 hours8 days (without notifications)NA24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320453 x 454160 x 80453x454
Size1.5 inches or 1.65 inchesn/a1.63 inches1.39 inches1.18 inches1.39 inches
Touch
TypeAMOLEDLEDAMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP551 ATMWR301 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4n/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables