Polar M400 vs. LG Watch Sport vs. Michael Kors Grayson vs. Polar Loop vs. Fitbit Versa 2 vs. Michael Kors Grayson

 
M400
Watch Sport
Grayson
Loop
Versa 2
Grayson
 PolarM400Remove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$349$350$100$199$350
Release201420162018201320192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.45 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480453 x 454NA300 x 300453x454
Sizen/a1.38 inches1.39 inchesNA1.34 inches1.39 inches
Touch
Typen/aP-OLEDAMOLEDLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATM2 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNABuild-inAndroid Wear
Apps
Music

All Wearables