Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Garmin Vivosmart HR Plus vs. Michael Kors Grayson vs. Apple SE (2022)

 
M400
Vivosmart HR
Grayson
Vivosmart HR Plus
Grayson
SE (2022)
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$200$170$350$179$350$249
Release201420152018201720182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours5 days24 hoursNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a160 x 68453 x 454160 x 68453x45440mm
Sizen/a1.08 inches1.39 inches0.5 inches x 0.8 inches1.39 inches
TouchLTPO OLED Retina
Typen/an/aAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables