Fitbit Alta vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Alta
Access Sofie
Grayson
Charge 3
Access Sofie HR
Grayson
 FitbitAltaRemove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$395$350$150$395$350
Release201620172018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day24 hours7 days2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inches453 x 45466 x 18390 x 390453x454
Sizen/a1.39 inches.721 inches1.19 inches1.39 inches
Touchn/aAMOLDED
TypeOLEDAMOLEDOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM0.3 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android WearNAWear OSAndroid Wear
Apps
Music

All Wearables