Polar M600 vs. Moov Now vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit GTR

 
M600
Now
Grayson
Grayson
Inspire HR
GTR
 PolarM600Remove Buy NowMoovNowRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$79$350$350$99$199
Release201620152018201820192019

Activity & Fitness

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

Battery

Duration2 days6 months24 hours24 hours5 days24 days
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 454453x454139 x 60454 x 454
Size1.3 inchesn/a1.39 inches1.39 inches1.4 inches1.39 inches
Touchn/an/a
TypeTFTn/aAMOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables