Polar M430 vs. Amazfit Cor vs. Michael Kors Grayson vs. Jawbone UP24 vs. Michael Kors Grayson vs. Apple Watch 7

 
M430
Cor
Grayson
UP24
Grayson
Watch 7
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$79.99$350$130$350$429
Release201720182018201320182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours12 days24 hours14 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160453 x 454NA453x454396 x 484
Size1.4 inch1.23 inches1.39 inchesNA1.39 inches1.9 inches
TouchNA
TypeLCDIPS LCDAMOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATMSplash Resistant1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearWatchOS 8
Apps
Music

All Wearables