Michael Kors Grayson vs. Fitbit Alta HR vs. Jawbone UP4 vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Grayson
Alta HR
UP4
A370
Access Sofie HR
Grayson
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$350$150$200$179.95$395$350
Release201820172015201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 daysNAUp to 3 days2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454128 x 36NA160 x 80390 x 390453x454
Size1.39 inches1.4 inchesNA1.18 inches1.19 inches1.39 inches
TouchNA
TypeAMOLEDOLEDNATFT LCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNAWR300.3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWear OSAndroid Wear
Apps
MusicNA

All Wearables