Polar M400 vs. Polar V800 vs. Fitbit One vs. Amazfit Cor vs. Fitbit Charge HR

 
M400
V800
One
Cor
Charge HR
 PolarM400Remove Buy NowPolarV800Remove Buy NowFitbitOneRemove Buy NowAmazfitCorRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$200$470$100$79.99$150
Release20142014201220182015

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days10-14 days12 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a80 x 160NA
Sizen/an/an/a1.23 inchesNA
TouchNA
Typen/an/aOLEDIPS LCDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMSplast Resistant5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables