Polar M400 vs. Fitbit Flex 2 vs. Polar A360 vs. Motorola Moto 360 (1st Gen) vs. Polar Loop

 
M400
Flex 2
A360
Moto 360 (1st Gen)
Loop
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$100$200$150$100
Release20142016201520142013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days12 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 80320 x 260NA
Sizen/an/a1.18 inches1.56 inchesNA
Touchn/a
Typen/aLEDn/aLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMWR30IP672 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
MusicNA

All Wearables