Polar M400 vs. Misfit Flash Link vs. Amazfit Cor vs. Fitbit Charge 3 vs. Michael Kors Access Sofie HR

 
M400
Flash Link
Cor
Charge 3
Access Sofie HR
 PolarM400Remove Buy NowMisfitFlash LinkRemove Buy NowAmazfitCorRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$20$79.99$150$395
Release20142015201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months12 days7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 16066 x 18390 x 390
Sizen/an/a1.23 inches.721 inches1.19 inches
Touchn/a
Typen/an/aIPS LCDOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables