Yaoer - Sleep with White Noise app for iPhone and iPad

Yaoer is an application that helps you sleep.

White noise is not "noise", it is the power spectrum of a random signal in the same unit.  
White noise fills the entire human ear with vibrational frequencies that can help a person relax or sleep.
Many people who have had white noise therapy describe it as sounding like rain, or waves crashing against rocks, or wind rustling through leaves, or mountains, water, waterfalls, and creeks.
This kind of sound can play a certain role in sound therapy for people of all ages, and it is a kind of "harmonious" therapeutic sound.

1. A selection of 30 white noise audios, which can be used without using network traffic.
The following audio resources are included:rainy days,waves,tides,forests,birdsong,thunder;
2. Support local uploading of your favorite white noise;
3. You can mix multiple audios into one audio through the mixing function.