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

 
Vivoactive
M400
Flex 2
Vivosmart HR Plus
Reign
 GarminVivoactiveRemove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$250$200$100$179$150
Release20152014201620172015

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days5 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution205 x 148n/an/a160 x 68NA
Size1.38 inchesn/an/a0.5 inches x 0.8 inchesNA
Touchn/aNA
TypeLCDn/aLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables