Polar A360 vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
A360
Forerunner 235
Grayson
Flex
Watch Series 4
Grayson
 PolarA360Remove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$299.99$350$100$329$350
Release201520172018201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days9 days24 hours5 daysNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80215 x 180453 x 454NA384 x 480453x454
Size1.18 inches1.23 inches1.39 inchesNA1.78 inches1.39 inches
TouchNA
Typen/aMIPAMOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWatch OS 5Android Wear
Apps
Music

All Wearables