Loading…
CompareOpen in App Store
★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Portugal, updated 9 Oct 2026
Top free
Not in this chart today
Top paid · All apps and games
#58 –
The daily graph appears once there are at least two days of data for this country.
Best rank in each country today. Click a country to see its graph.
Bug fixes. - Fixes a crash on launch that affected the previous version. - The launch screen now shows the app's own artwork. - The app is correctly named Sub System throughout the system.
An app for audio engineers and sound designers. It will let the user place virtual speakers around and see the sound pressure levels that they produce, including the interactions between sources. Colorful graphs for SPL. Frequency response based on virtual microphones. Speakers and Mics are moved around using touch functions. Zoom in, out. All graphics are touchable. Best use is to understand how acoustical summation is produced.