Polar M430 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Apple Watch 7

 
M430
ZenWatch
Grayson
Vivofit 4
Grayson
Watch 7
 PolarM430Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$150$350$79.95$350$429
Release201720142018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hoursNA24 hours1 year24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320453 x 45488 x 88453x454396 x 484
Size1.4 inch1.63 inches1.39 inchesNA1.39 inches1.9 inches
Touch
TypeLCDAMOLEDAMOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP551 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables