Fitbit Alta vs. Fitbit Charge 2 vs. Moov Now vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Grayson

 
Alta
Charge 2
Now
Grayson
UP4
Grayson
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowMoovNowRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$150$79$350$200$350
Release201620162015201820152018

Activity & Fitness

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

Battery

Duration5 days5 days6 months24 hoursNA24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a453 x 454NA453x454
Sizen/an/an/a1.39 inchesNA1.39 inches
Touchn/an/an/aNA
TypeOLEDOLEDn/aAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/an/an/a1 ATMNA1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables