Polar M400 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR Plus vs. Jaybird Reign vs. Samsung Gear Fit2 Pro

 
M400
Flex 2
Vivosmart HR Plus
Reign
Gear Fit2 Pro
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowJaybirdReignRemove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$200$100$179$150$199.99
Release20142016201720152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68NA216 x 432
Sizen/an/a0.5 inches x 0.8 inchesNA1.5 inches
Touchn/aNA
Typen/aLEDLCDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANATizen OS
Apps
Music

All Wearables