Polar M400 vs. Apple Watch vs. Fitbit Charge HR vs. Misfit Vapor 2

 
M400
Watch
Charge HR
Vapor 2
 PolarM400Remove Buy NowAppleWatchRemove Buy NowFitbitCharge HRRemove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$349$150$250
Release2014201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA454 x 454
Sizen/a1.5 inches or 1.65 inchesNA1.42 inches
TouchNA
Typen/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX71 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWear OS
Apps
Music

All Wearables