Fitbit Alta vs. Fitbit Charge 2 vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Alta
Charge 2
Vivosmart
Grayson
Vivofit 4
Grayson
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$150$170$350$79.95$350
Release201620162014201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days24 hours1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 16453 x 45488 x 88453x454
Sizen/an/a1.41 inches1.39 inchesNA1.39 inches
Touchn/an/a
TypeOLEDOLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables