Blue Noise

Blue noise (also known as azure noise) is deeper kind of noise that has higher energy at higher frequencies.

It does a great job of heavily masking outside noises and smoothing out the sound.

Features:

★ True generated blue noise (no pre-recorded audio).

★ Simplicity.

★ Volume controlled by physical buttons or in-app.

★ Handy notification controls.

★ Low battery usage.

★ Shutdown timer for sleep.

★ Natural RNG for noise feed.

How to:

Just press big "Play" button and blue noise will start playing.

Disclaimer: This is not medical advice.