The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Custom Business Apps:
The Silencer provides quality noise solutions using Australian made acoustic materials for any application. Put an end to noise problems - reverberation, passing through walls and ceilings, from neighbours and trafficThe Silencer iPhone application allows you to test for noisy conditions by placing your iPhone 5 meters from the source of the noise. The application will monitor decibel readings and other data, this collection of data will be emailed to us to allow us to effectively quote a solution to reduce the noise.This app is designed to provide an indication of noise levels only