Polar M600 vs. Amazfit Stratos vs. Fitbit Versa vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
M600
Stratos
Versa
Grayson
Grayson
Watch 7
 PolarM600Remove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$199$199.99$350$350$429
Release201620182018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4 days24 hours24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 300300 x300453 x 454453x454396 x 484
Size1.3 inches1.34 inches1.34 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeTFTOLEDOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearProprietaryAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables