A free program for Android, by studioNMD.

What is White Noise?

White Noise is a powerful tool that can be used to help you relax or concentrate. This app offers a large selection of sounds, from nature, to music and many other sounds that can help you to calm down, reduce stress or improve your concentration.

You can set the volume of the sounds as you prefer. You can also set the frequency of the sounds, to create a more relaxing and calm experience.

This app is a useful tool for people that want to improve their concentration or sleep. It can be used to mask background noises.