Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple SE

 
Forerunner 225
M400
Flex 2
Grayson
Grayson
SE
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$300$200$100$350$350$279
Release201520142016201820182020

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days24 hours24 hours18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a453 x 454453x454384 x 480
Size1 inchn/an/a1.39 inches1.39 inches40mm
Touchn/a
Typen/an/aLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM3 ATM5 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid WearAndroid WearWatchOS 5
Appsn/a
Musicn/a

All Wearables