Polar M400 vs. Polar M600 vs. Garmin Vivosmart HR vs. Misfit Ray vs. Jaybird Reign

 
M400
M600
Vivosmart HR
Ray
Reign
 PolarM400Remove Buy NowPolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowMisfitRayRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$330$170$100$150
Release20142016201520162015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days6 months5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240160 x 68n/aNA
Sizen/a1.3 inches1.08 inchesn/aNA
Touchn/an/aNA
Typen/aTFTn/aLEDLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/aNA
Apps
Music

All Wearables