Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Polar A370 vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
Grayson
Alta HR
Charge 3
A370
Grayson
Inspire HR
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$350$150$150$179.95$350$99
Release201820172018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days7 daysUp to 3 days24 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution453 x 454128 x 3666 x 18160 x 80453x454139 x 60
Size1.39 inches1.4 inches.721 inches1.18 inches1.39 inches1.4 inches
Touch
TypeAMOLEDOLEDOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearFitbit OS
Apps
Music

All Wearables