Polar M600 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
M600
Loop 2
Grayson
Watch Series 4
Grayson
Inspire 3
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$330$120$350$329$350$100
Release201620152018201820182022

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)24 hoursNot Yet24 hours10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454384 x 480453x45432x18
Size1.3 inchesn/a1.39 inches1.78 inches1.39 inches46 inches
Touchn/a
TypeTFTLEDAMOLEDMicroLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM1 ATMNot Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables