Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Misfit Flash Cyclist Edition vs. Michael Kors Access Sofie HR

 
Flex 2
645 Music
Vivofit 4
Flash Cyclist Edition
Access Sofie HR
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowMisfitFlash Cyclist EditionRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$450$79.95$50$395
Release20162018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 year6 months2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a240 x 24088 x 88NA390 x 390
Sizen/a1.2 inchesNANA1.19 inches
Touchn/aNA
TypeLEDMIPNANAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables