Polar M400 vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Fitbit Flex vs. Misfit Shine vs. Michael Kors Grayson

 
M400
Forerunner 235
Grayson
Flex
Shine
Grayson
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMisfitShineRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$299.99$350$100$70$350
Release201420172018201320132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days24 hours5 days6 months24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a215 x 180453 x 454NANA453x454
Sizen/a1.23 inches1.39 inchesNANA1.39 inches
TouchNANA
Typen/aMIPAMOLEDLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables