Misfit Ray vs. Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Pebble Core vs. Michael Kors Grayson

 
Ray
Loop 2
Grayson
Alta HR
Core
Grayson
 MisfitRayRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$120$350$150$99$350
Release201620152018201720162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration6 months8 days (without notifications)24 hours7 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454128 x 36NA453x454
Sizen/an/a1.39 inches1.4 inchesNA1.39 inches
Touchn/aNA
TypeLEDLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables