SirenSignals is an educational Android app developed by MardekSirenen, offering insights into the meanings of siren signals worldwide. The app categorizes signals by country, providing detailed information on each signal's purpose and recommended actions. Users can also access schedules for siren tests in respective countries. Currently, it covers countries like Germany, Austria, Switzerland, and more, with plans to include additional countries in future updates.

Moreover, SirenSignals features a section explaining the technology behind sirens, detailing various siren types like Mechanical, Pneumatic, and Electronic. Users can explore models such as E57, F71, and Delta, with more additions expected in upcoming updates. The app is bilingual, supporting both German and English languages for a broader user base.