Fitbit Alta vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Sony SmartBand vs. Michael Kors Grayson

 
Alta
Flex 2
Grayson
Vivofit 4
SmartBand
Grayson
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$100$350$79.95$100$350
Release201620162018201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours1 year5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a453 x 45488 x 88NA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
Touchn/an/aNA
TypeOLEDLEDAMOLEDNANAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATMIP581 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables