Fitbit One vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Grayson

 
One
Ionic
Forerunner 935
Grayson
Vivosmart 3
Grayson
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$299$500$350$139.99$350
Release201220172017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ daysUp to 2 weeks24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240453 x 45464 x 128453x454
Sizen/a1.421.2 inches1.39 inchesNA1.39 inches
Touch
TypeOLEDOLEDLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables