Polar M600 vs. TomTom Spark vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Vivosport vs. Michael Kors Grayson

 
M600
Spark
Grayson
Flex
Vivosport
Grayson
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$150$350$100$199$350
Release201620152018201320172018

Activity & Fitness

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

Battery

Duration2 daysn/a24 hours5 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a453 x 454NA72 x 144453x454
Size1.3 inchesn/a1.39 inchesNANA1.39 inches
Touchn/aNA
TypeTFTLCDAMOLEDLEDMIPAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables