InfraSound Detector is the App that allows you to detect infrasound (infrasonic) acoustic signals below the user-defined frequency (up to 30 Hz by default). Infrasound propagates hundreds of miles and can penetrate walls, mountains and other obstacles without loss.
The app has been originally developed by Sergio Gudkov and it is related to the Tools category. InfraSound Detector was downloaded and set up by over 100K users and the latest stable update was on May 7, 2018. The average rating for this application is 4 on Google Play.
It's free of charge to download the installation package of InfraSound Detector, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 4.0.3 and above. The app is completely safe to download.