Polar M600 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Garmin Vivosmart HR Plus vs. Michael Kors Grayson vs. Amazfit GTR

 
M600
Ionic
Grayson
Vivosmart HR Plus
Grayson
GTR
 PolarM600Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$299$350$179$350$199
Release201620172018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days4+ days24 hours5 days24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240348x250453 x 454160 x 68453x454454 x 454
Size1.3 inches1.421.39 inches0.5 inches x 0.8 inches1.39 inches1.39 inches
Touchn/a
TypeTFTOLEDAMOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX850m1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearFitbit OSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables