Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Charge 3 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Grayson
Charge
Charge 3
Access Sofie HR
Grayson
Vivosmart 4
 Michael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$350$130$150$395$350$130
Release201820142018201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7-10 days7 days2 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution453 x 454NA66 x 18390 x 390453x45448 x 128
Size1.39 inchesNA.721 inches1.19 inches1.39 inches0.74 inches
TouchNA
TypeAMOLEDOLEDOLEDOMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM5 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAWear OSAndroid Wear
Apps
Music

All Wearables