Fitbit Alta vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Alta
Ionic
Forerunner 235
Grayson
Grayson
Vivosmart 4
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$299$299.99$350$350$130
Release201620172017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days9 days24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250215 x 180453 x 454453x45448 x 128
Sizen/a1.421.23 inches1.39 inches1.39 inches0.74 inches
Touchn/a
TypeOLEDOLEDMIPAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables