Michael Kors Grayson vs. Pebble Core vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Grayson
Core
Loop
Access Sofie HR
Grayson
Vivosmart 4
 Michael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$350$99$100$395$350$130
Release201820162013201920182018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration24 hoursNA5 days2 days24 hours7 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NANA390 x 390453x45448 x 128
Size1.39 inchesNANA1.19 inches1.39 inches0.74 inches
TouchNA
TypeAMOLEDNALEDOMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNA2 ATM0.3 ATM1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNANAWear OSAndroid Wear
Apps
Music

All Wearables