Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Grayson
Alta HR
Charge HR
Grayson
Vivosmart 4
Series 6
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$350$150$150$350$130$399
Release201820172015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days5 days24 hours7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454128 x 36NA453x45448 x 128384 x 480
Size1.39 inches1.4 inchesNA1.39 inches0.74 inches40mm
TouchNA
TypeAMOLEDOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearWatchOS 5
Apps
Music

All Wearables