Polar A360 vs. Amazfit Cor vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
A360
Cor
Grayson
Watch Series 4
Grayson
Inspire HR
 PolarA360Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$79.99$350$329$350$99
Release201520182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days12 days24 hoursNot Yet24 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 8080 x 160453 x 454384 x 480453x454139 x 60
Size1.18 inches1.23 inches1.39 inches1.78 inches1.39 inches1.4 inches
Touch
Typen/aIPS LCDAMOLEDMicroLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATMNot Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWatch OS 5Android WearFitbit OS
Apps
Music

All Wearables