Polar M600 vs. Withings Steel HR vs. Fitbit Ionic vs. Michael Kors Grayson vs. Garmin Vivosmart HR Plus vs. Michael Kors Grayson

 
M600
Steel HR
Ionic
Grayson
Vivosmart HR Plus
Grayson
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$180$299$350$179$350
Release201620162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days4+ days24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a348x250453 x 454160 x 68453x454
Size1.3 inchesn/a1.421.39 inches0.5 inches x 0.8 inches1.39 inches
Touchn/a
TypeTFTn/aOLEDAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables