Polar M400 vs. Fitbit Flex 2 vs. Misfit Flash Link vs. Samsung Gear 2 vs. Fitbit Charge HR

 
M400
Flex 2
Flash Link
Gear 2
Charge HR
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$200$100$20$300$150
Release20142016201520142015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months2-3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a320 x 320NA
Sizen/an/an/a1.63 inchesNA
Touchn/an/aNA
Typen/aLEDn/aSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aTizen OSNA
Apps
Music

All Wearables