Polar M600 vs. Michael Kors Grayson vs. Pebble Time 2 vs. Fitbit Alta HR vs. Pebble Core vs. Michael Kors Grayson

 
M600
Grayson
Time 2
Alta HR
Core
Grayson
 PolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$350$199$150$99$350
Release201620182016201720162018

Activity & Fitness

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

Battery

Duration2 days24 hours10 days7 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454NA128 x 36NA453x454
Size1.3 inches1.39 inchesNA1.4 inchesNA1.39 inches
Touchn/aNA
TypeTFTAMOLEDe-paperOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM3 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearAndroid WearPebble OSNAAndroid Wear
Apps
Music

All Wearables