FREQUIZY is a free Android app designed to help you train your sense of hearing and perfect pitch. Developed by Klaus Kombat, this app is perfect for audio engineers and anyone who wants to improve their music skills.

The app features a game-like interface where you have to estimate the frequency of feedback that you hear. The aim is to help you identify the right frequency range when a real feedback happens. With FREQUIZY, you can train your perfect pitch and improve your ability to recognize different frequencies.

The app is easy to use and accessible to anyone who wants to improve their musical skills. Whether you're a beginner or an experienced musician, FREQUIZY is a great tool to have in your arsenal. Download it today and start training your perfect pitch.