Fitbit Alta vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Alta
Vivosmart HR
Grayson
Vivofit 4
Access Sofie HR
Grayson
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$170$350$79.95$395$350
Release201620152018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours1 year2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68453 x 45488 x 88390 x 390453x454
Sizen/a1.08 inches1.39 inchesNA1.19 inches1.39 inches
Touchn/a
TypeOLEDn/aAMOLEDNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM0.3 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables