Motorola Moto 360 (2nd Gen) vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Polar A370

 
Moto 360 (2nd Gen)
Forerunner 935
645 Music
Flex
A370
 MotorolaMoto 360 (2nd Gen)Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$500$450$100$179.95
Release20152017201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 daysUp to 2 weeks7 days5 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330240 x 240240 x 240NA160 x 80
Size1.37 inches or 1.56 inches1.2 inches1.2 inchesNA1.18 inches
TouchNA
TypeLCDLCDMIPLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNA
Apps
Musicn/a

All Wearables