Fitbit Alta vs. Fitbit Ionic vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Alta
Ionic
Grayson
Flex
Vivofit 4
Grayson
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$299$350$100$79.95$350
Release201620172018201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hours5 days1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454NA88 x 88453x454
Sizen/a1.421.39 inchesNANA1.39 inches
Touchn/aNA
TypeOLEDOLEDAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m1 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables