Polar M400 vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Jawbone UP3 vs. Jawbone UP4 vs. Michael Kors Grayson

 
M400
ZenWatch 3
Grayson
UP3
UP4
Grayson
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP3Remove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$229$350$180$200$350
Release201420172018201320152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours24 hours7 daysNA24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400453 x 454NANA453x454
Sizen/a1.39 inches1.39 inchesNANA1.39 inches
TouchNANA
Typen/aAMOLEDAMOLEDNANAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMNANA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNANAAndroid Wear
Apps
MusicNANA

All Wearables