Apple Watch Series 3 vs. Polar M600 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
Watch Series 3
M600
Grayson
Charge HR
Grayson
Inspire 3
 AppleWatch Series 3Remove Buy NowPolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$329$330$350$150$350$100
Release201720162018201520182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 days24 hours5 days24 hours10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240453 x 454NA453x45432x18
Size1.5 inches or 1.65 inches1.3 inches1.39 inchesNA1.39 inches46 inches
Touchn/aNA
TypeAMOLEDTFTAMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX81 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearAndroid WearNAAndroid Wear
Apps
Music

All Wearables