Garmin Forerunner 225 vs. Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Flex vs. Polar A370 vs. Michael Kors Grayson

 
Forerunner 225
Grayson
Charge
Flex
A370
Grayson
 GarminForerunner 225Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$350$130$100$179.95$350
Release201520182014201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks24 hours7-10 days5 daysUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180453 x 454NANA160 x 80453x454
Size1 inch1.39 inchesNANA1.18 inches1.39 inches
TouchNANA
Typen/aAMOLEDOLEDLEDTFT LCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM1 ATMWR301 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Appsn/a
Musicn/a

All Wearables