Motorola Moto 360 (2nd Gen) vs. Fitbit Flex 2 vs. Withings Go vs. Garmin 645 Music vs. Polar Loop

 
Moto 360 (2nd Gen)
Flex 2
Go
645 Music
Loop
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$100$80$450$100
Release20152016201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5 days8 months7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution360 x 325 or 360 x 330n/an/a240 x 240NA
Size1.37 inches or 1.56 inchesn/an/a1.2 inchesNA
Touchn/an/a
TypeLCDLEDE-InkMIPLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables