Polar M400 vs. Misfit Flash Link vs. LG G Watch vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Grayson

 
M400
Flash Link
G Watch
Grayson
UP4
Grayson
 PolarM400Remove Buy NowMisfitFlash LinkRemove Buy NowLGG WatchRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$20$230$350$200$350
Release201420152014201820152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1.5 days24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a280 x 280453 x 454NA453x454
Sizen/an/a1.65 inches1.39 inchesNA1.39 inches
Touchn/aNA
Typen/an/aIPS LCDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP671 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables