Polar M400 vs. LG Watch Urbane vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Jawbone UP4 vs. Michael Kors Grayson

 
M400
Watch Urbane
Grayson
Charge 3
UP4
Grayson
 PolarM400Remove Buy NowLGWatch UrbaneRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$245$350$150$200$350
Release201420152018201820152018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA24 hours7 daysNA24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-FiNA

Display

Color
Resolutionn/a320 x 320453 x 45466 x 18NA453x454
Sizen/a1.3 inches1.39 inches.721 inchesNA1.39 inches
TouchNA
Typen/aP-OLEDAMOLEDOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATM5 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables