Garmin Forerunner 225 vs. Olio Model One vs. Fitbit Ionic vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Forerunner 225
Model One
Ionic
645 Music
Grayson
Grayson
 GarminForerunner 225Remove Buy NowOlioModel OneRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$595$299$450$350$350
Release201520152017201820182018

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration10 hours to 4 weeks2 days4+ days7 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250240 x 240453 x 454453x454
Size1 inchn/a1.421.2 inches1.39 inches1.39 inches
Touch
Typen/an/aOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker22n/a
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m5 ATM1 ATM1 ATM

Notifications

Phonen/an/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid Wear
Appsn/an/a
Musicn/a

All Wearables