Fitbit Alta vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Jawbone UP24 vs. Michael Kors Access Sofie HR

 
Alta
Flex 2
645 Music
UP24
Access Sofie HR
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP24Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$100$450$130$395
Release20162016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days14 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA390 x 390
Sizen/an/a1.2 inchesNA1.19 inches
Touchn/an/aNA
TypeOLEDLEDMIPNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMSplash Resistant0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables