Garmin Forerunner 225 vs. Fitbit One vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Forerunner 225
One
Loop 2
G-Shock GBA800
Grayson
Grayson
 GarminForerunner 225Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$100$120$120$350$350
Release201520122015201820182018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks10-14 days8 days (without notifications)2 years24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/an/a453 x 454453x454
Size1 inchn/an/a1.39 inches1.39 inches
Touch
Typen/aOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant2 ATM20 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables