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

 
M400
Flex 2
Vivosmart
Live
Reign
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowSamsungLiveRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$100$170$200$150
Release20142016201420142015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7 days1 Day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 16320 x 320NA
Sizen/an/a1.41 inches1.63 inchesNA
Touchn/aNA
Typen/aLEDOLEDSuper AMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP67NA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
Music

All Wearables