Garmin Vivoactive HR vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Series 6

 
Vivoactive HR
Ionic
Forerunner 235
Grayson
Grayson
Series 6
 GarminVivoactive HRRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$299$299.99$350$350$399
Release201620172017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days4+ days9 days24 hours24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205348x250215 x 180453 x 454453x454384 x 480
Size1.38 inches1.421.23 inches1.39 inches1.39 inches40mm
Touch
Typen/aOLEDMIPAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables