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

 
Access Sofie
Alta HR
Charge
Flex
Vivofit 4
 Michael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$395$150$130$100$79.95
Release20172017201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days7-10 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution390 x 390 1.19 inches128 x 36NANA88 x 88
Size1.4 inchesNANANA
TouchAMOLDEDNANA
TypeOLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NANA
Apps
Music

All Wearables