Garmin Vivoactive vs. Polar M400 vs. Fitbit Flex 2 vs. Garmin Chronos vs. Jaybird Reign

 
Vivoactive
M400
Flex 2
Chronos
Reign
 GarminVivoactiveRemove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminChronosRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$250$200$100$1500$150
Release20152014201620182015

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days5 days8 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/a218 x 218NA
Size1.38 inchesn/an/a1.2 inchesNA
Touchn/aNA
TypeLCDn/aLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM10 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSNA
Apps
Music

All Wearables