Polar M400 vs. Moov Now vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Fitbit Sense 2

 
M400
Now
Grayson
Galaxy Watch
Grayson
Sense 2
 PolarM400Remove Buy NowMoovNowRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$79$350$330$350$300
Release201420152018201820182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months24 hours7 days24 hours6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454360 x 360453x454336x336
Sizen/an/a1.39 inches1.2 inches or 1.3 inches1.39 inches1.59 inches
Touchn/a
Typen/an/aAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearTizen OSAndroid Wear
Apps
MusicSpotify

All Wearables