Polar M600 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Apple Watch 7

 
M600
Grayson
Charge
Grayson
Watch 7
 PolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$350$130$350$429
Release20162018201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7-10 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454NA453x454396 x 484
Size1.3 inches1.39 inchesNA1.39 inches1.9 inches
Touchn/aNA
TypeTFTAMOLEDOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAAndroid WearWatchOS 8
Apps
Music

All Wearables