Polar M430 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Apple Watch 7

 
M430
Grayson
Loop
Access Sofie HR
Grayson
Watch 7
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$350$100$395$350$429
Release201720182013201920182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours5 days2 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454NA390 x 390453x454396 x 484
Size1.4 inch1.39 inchesNA1.19 inches1.39 inches1.9 inches
Touch
TypeLCDAMOLEDLEDOMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM2 ATM0.3 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWear OSAndroid WearWatchOS 8
Apps
Music

All Wearables