Polar M400 vs. Fitbit Flex 2 vs. Samsung Live vs. Garmin Vivosmart HR Plus vs. Jaybird Reign

 
M400
Flex 2
Live
Vivosmart HR Plus
Reign
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowSamsungLiveRemove Buy NowGarminVivosmart HR PlusRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$100$200$179$150
Release20142016201420172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 Day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320160 x 68NA
Sizen/an/a1.63 inches0.5 inches x 0.8 inchesNA
Touchn/aNA
Typen/aLEDSuper AMOLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP675 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNANA
Apps
Music

All Wearables