Polar M400 vs. Asus ZenWatch vs. Fossil Explorist vs. Fitbit Flex vs. Fitbit Inspire HR

 
M400
ZenWatch
Explorist
Flex
Inspire HR
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$150$255$100$99
Release20142014201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA24 hours5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454 x454NA139 x 60
Sizen/a1.63 inches1.4 inchesNA1.4 inches
TouchNA
Typen/aAMOLEDAMOLEDLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP55IP671 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNAFitbit OS
Apps
Music

All Wearables