Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Fitbit Charge HR vs. Fitbit Flex vs. Garmin Vivofit 4

 
Flex 2
Access Sofie
Charge HR
Flex
Vivofit 4
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$395$150$100$79.95
Release20162017201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inchesNANA88 x 88
Sizen/aNANANA
Touchn/aAMOLDEDNANA
TypeLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
Music

All Wearables