Polar M400 vs. Moov Now vs. Asus ZenWatch vs. Garmin Fenix 5x Plus vs. Fitbit Flex

 
M400
Now
ZenWatch
Fenix 5x Plus
Flex
 PolarM400Remove Buy NowMoovNowRemove Buy NowAsusZenWatchRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$79$150$850$100
Release20142015201420182013

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 monthsNA20 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320240 x 240NA
Sizen/an/a1.63 inches1.2 inchesNA
Touchn/aNA
Typen/an/aAMOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP5510 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSNA
Apps
Music

All Wearables