Garmin Forerunner 225 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Garmin Vivosmart 3 vs. Michael Kors Grayson

 
Forerunner 225
Loop 2
Grayson
Vivofit 4
Vivosmart 3
Grayson
 GarminForerunner 225Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$120$350$79.95$139.99$350
Release201520152018201820172018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 days (without notifications)24 hours1 year5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a453 x 45488 x 8864 x 128453x454
Size1 inchn/a1.39 inchesNANA1.39 inches
Touch
Typen/aLEDAMOLEDNAOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables