Polar M600 vs. Withings Steel HR vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Michael Kors Grayson

 
M600
Steel HR
Grayson
Alta HR
Vivosmart 3
Grayson
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$180$350$150$139.99$350
Release201620162018201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days24 hours7 days5 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/a453 x 454128 x 3664 x 128453x454
Size1.3 inchesn/a1.39 inches1.4 inchesNA1.39 inches
Touchn/a
TypeTFTn/aAMOLEDOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables