Motorola Moto 360 (2nd Gen) vs. Pebble Steel vs. Withings Go vs. Fitbit Flex vs. Polar Loop

 
Moto 360 (2nd Gen)
Steel
Go
Flex
Loop
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPebbleSteelRemove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$150$80$100$100
Release20152014201620132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5-7 days8 months5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330168 x 144n/aNANA
Size1.37 inches or 1.56 inches1.26 inchesn/aNANA
Touchn/aNA
TypeLCDe-paperE-InkLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearPebble OSn/aNANA
Appsn/a
Musicn/a

All Wearables