ASUS ZenWatch 2 vs. Polar M400 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
ZenWatch 2
M400
Grayson
Flex
Grayson
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$200$350$100$350
Release20162014201820132018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a453 x 454NA453x454
Size1.63 inches or 1.45 inchn/a1.39 inchesNA1.39 inches
TouchNA
TypeAMOLEDn/aAMOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables