Tonn is a versatile tone generator designed for iPhone users. Developed by Dmitri Iasibis, this free app falls under the category of Utilities & Tools. With Tonn, users can easily control speaker output, repel pests, and enjoy engaging wave visualizations.

One of the key features of Tonn is its wide frequency range. Users can explore frequencies ranging from 0 to 20,000 hertz, allowing them to find the ideal tone for any situation. Whether you need a high-pitched tone for testing audio equipment or a low-frequency sound for meditation, Tonn has you covered.

Another notable feature of Tonn is its built-in sounds. The app offers a variety of preloaded sounds that can enhance your audio experience. From soothing nature sounds to futuristic sci-fi tones, there's something for everyone.

Tonn also provides speaker control, allowing users to effortlessly switch audio output between their device's top and bottom speakers. This ensures optimal listening experience, whether you're using headphones or relying on your device's built-in speakers.

In addition, Tonn offers targeted frequencies that can be used to repel mosquitoes, dogs, and cockroaches. These ready-made solutions are designed to emit frequencies that are known to deter these pests, providing a convenient and humane way to keep them at bay.

Finally, Tonn provides engaging wave visualizations that correspond with the selected frequencies. These captivating visuals add an extra layer of immersion to the audio experience, making it even more enjoyable.

Overall, Tonn is the ultimate companion for audio enthusiasts and anyone in need of a flexible and powerful tone generator. With its easy-to-use interface and wide range of features, Tonn is a must-have app for iPhone users.