Polar M600 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
M600
Ionic
Grayson
Core
Grayson
Inspire 3
 PolarM600Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$330$299$350$99$350$100
Release201620172018201620182022

Activity & Fitness

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

Battery

Duration2 days4+ days24 hoursNA24 hours10 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240348x250453 x 454NA453x45432x18
Size1.3 inches1.421.39 inchesNA1.39 inches46 inches
Touchn/aNA
TypeTFTOLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX850m1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearFitbit OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables