Polar M600 vs. Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Apple Watch 7

 
M600
Alta
Grayson
Versa 2
Grayson
Watch 7
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$130$350$199$350$429
Release201620162018201920182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hours5 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454300 x 300453x454396 x 484
Size1.3 inchesn/a1.39 inches1.34 inches1.39 inches1.9 inches
Touchn/an/a
TypeTFTOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearBuild-inAndroid WearWatchOS 8
Apps
Music

All Wearables