Polar M400 vs. Fitbit Flex 2 vs. Motorola Moto 360 (1st Gen) vs. Samsung Live vs. Jaybird Reign

 
M400
Flex 2
Moto 360 (1st Gen)
Live
Reign
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowSamsungLiveRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$100$150$200$150
Release20142016201420142015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 day1 Day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 260320 x 320NA
Sizen/an/a1.56 inches1.63 inchesNA
Touchn/aNA
Typen/aLEDLCDSuper AMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP67NA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearNA
Apps
MusicNA

All Wearables