Tonn - Speaker Cleaner is a free Android app developed by Must Have Apps SRL, designed for music and radio enthusiasts. As a sound wave tone generator, it offers a range of features including a frequency generator, instrument tuner, and hearing tester. With its flexible settings, Tonn allows for experimentation, making it perfect for both professional use and entertainment.

The app's user interface is simple and easy to navigate, with the main features accessible from the home screen. Users can adjust the frequency and wave type, as well as the volume and duration of the sound. The app also includes a built-in tone generator for testing the quality of speakers, making it a useful tool for audio professionals.

Overall, Tonn - Speaker Cleaner is a versatile app that offers a range of features for music and audio enthusiasts. Its simple user interface and flexible settings make it easy to use, while its built-in tone generator makes it a useful tool for professionals.