Motorola Moto 360 (2nd Gen) vs. Motorola Moto 360 Sport vs. Polar M400 vs. Withings Go vs. Fitbit Flex

 
Moto 360 (2nd Gen)
Moto 360 Sport
M400
Go
Flex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowMotorolaMoto 360 SportRemove Buy NowPolarM400Remove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$199$200$80$100
Release20152016201420162013

Activity & Fitness

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

Battery

Duration1.5 daysn/a8 hours to 30 days8 months5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/aNA
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/an/an/aNA
Size1.37 inches or 1.56 inches1.37 inchesn/an/aNA
Touchn/aNA
TypeLCDLCDn/aE-InkLED

Functions

Audio SpeakerBluetoothn/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP67n/a3 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wearn/an/aNA
Appsn/a
Musicn/an/a

All Wearables