A free app for Android, by LuxDeLux.

If you are trying to find a way to generate high frequency sounds, or if you are trying to find a way to generate low frequency sounds, you have come to the right place. This is a simple and easy to use app that allows you to generate a sine, square, sawtooth or triangle sound wave with a frequency between 1Hz and 22000Hz (hertz).

This app is designed to be simple and easy to use. All you have to do is just tap on the screen and pick between sine, square, sawtooth or triangle. Additionally, you can pick from a wide variety of notes by tapping on the notes icon.

This app allows you to adjust the sound generating frequency easily by dragging the yellow dot. Make use of the – & + buttons for added adjusting precision. Additionally, you can control the volume of the generated sounds from 0-100%.

This app can be used in multiple use cases:

This is a simple and easy to use app that allows you to generate sine, square, sawtooth or triangle sound waves with a frequency between 1Hz and 22000Hz (hertz).