Apple Watch Series 3 vs. Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Polar A370 vs. Michael Kors Grayson

 
Watch Series 3
Zip
Grayson
Charge 3
A370
Grayson
 AppleWatch Series 3Remove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$329$60$350$150$179.95$350
Release201720122018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours6 months24 hours7 daysUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a453 x 45466 x 18160 x 80453x454
Size1.5 inches or 1.65 inchesn/a1.39 inches.721 inches1.18 inches1.39 inches
Touch
TypeAMOLEDn/aAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM5 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables