Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Moto 360 (2nd Gen)
M400
ZenWatch
Forerunner 235
Flex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$200$150$299.99$100
Release20152014201420172013

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 daysNA9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 320215 x 180NA
Size1.37 inches or 1.56 inchesn/a1.63 inches1.23 inchesNA
TouchNA
TypeLCDn/aAMOLEDMIPLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearNA
Apps
Musicn/a

All Wearables