Polar M600 vs. Withings Activite Steel vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Vivosport vs. Michael Kors Grayson

 
M600
Activite Steel
Grayson
Flex
Vivosport
Grayson
 PolarM600Remove Buy NowWithingsActivite SteelRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$170$350$100$199$350
Release201620152018201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months24 hours5 days7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454NA72 x 144453x454
Size1.3 inches1.3 inches1.39 inchesNANA1.39 inches
Touchn/aNA
TypeTFTAnalogAMOLEDLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables