Polar V800 vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
V800
Charge 3
Charge HR
Access Sofie HR
Vivosmart 4
 PolarV800Remove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$470$150$150$395$130
Release20142018201520192018

Activity & Fitness

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

Battery

Duration13 hours to 30 days7 days5 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a66 x 18NA390 x 39048 x 128
Sizen/a.721 inchesNA1.19 inches0.74 inches
TouchNA
Typen/aOLEDOLEDOMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OS
Apps
Music

All Wearables