Polar M400 vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. New Balance RunIQ vs. Jaybird Reign

 
M400
Flex 2
Forerunner 935
RunIQ
Reign
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowNew BalanceRunIQRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$100$500$299$150
Release20142016201720172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 2 weeks24 hours (5 hrs w GPS and heart rate)5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240400 x 400NA
Sizen/an/a1.2 inches1.39 inchesNA
Touchn/aNA
Typen/aLEDLCDAMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 1.5NA
Apps
Music

All Wearables