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

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

Basic Info

Suggested Price$200$269$150$250
Release2014201620152018

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/aNA
Mac
Windows

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 ATM5ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWear OS
Apps
Music

All Wearables