Polar M600 vs. Fitbit Alta vs. Misfit Flash Link vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
M600
Alta
Flash Link
Grayson
A370
Grayson
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowMisfitFlash LinkRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$130$20$350$179.95$350
Release201620162015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days6 months24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a453 x 454160 x 80453x454
Size1.3 inchesn/an/a1.39 inches1.18 inches1.39 inches
Touchn/an/an/a
TypeTFTOLEDn/aAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a3 ATM1 ATMWR301 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables