Apple Watch Series 3 vs. Motorola Moto 360 Sport vs. Polar M400 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Watch Series 3
Moto 360 Sport
M400
Grayson
Charge 3
Grayson
 AppleWatch Series 3Remove Buy NowMotorolaMoto 360 SportRemove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$199$200$350$150$350
Release201720162014201820182018

Activity & Fitness

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

Battery

Duration18 hoursn/a8 hours to 30 days24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a453 x 45466 x 18453x454
Size1.5 inches or 1.65 inches1.37 inchesn/a1.39 inches.721 inches1.39 inches
Touch
TypeAMOLEDLCDn/aAMOLEDOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a3 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android Wearn/aAndroid WearNAAndroid Wear
Apps
Musicn/a

All Wearables