ASUS ZenWatch 2 vs. Polar M400 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
ZenWatch 2
M400
Grayson
Alta HR
Access Sofie HR
Grayson
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$200$350$150$395$350
Release201620142018201720192018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days24 hours7 days2 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a453 x 454128 x 36390 x 390453x454
Size1.63 inches or 1.45 inchn/a1.39 inches1.4 inches1.19 inches1.39 inches
Touch
TypeAMOLEDn/aAMOLEDOLEDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM1 ATM0.3 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables