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White Noise Generator


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The ONLY White Noise Generator that uses mathematical sound algorithms to generate any color noise directly on the device. Our algorithms were designed by an auditory neuroscientist from Johns Hopkins University.

Popular uses for White Noise Generators include sleep aids, enhancing privacy, blocking distractions, masking tinnitus, configuring audio equipment, soothing migraines, and more.

The sounds that can be generated are red/brown, pink, white, blue, violet/purple, and all colors in between. Includes low and high pass filters, sound wave graph, and multiple sound shutoff timers and alarms. Timers can be set to a specific time or countdown specified number of minutes. Timer options include volume fader during last minute and application exit to save battery life.

White noise is a random signal with a flat power spectral density. In other words, the signal contains equal power within a fixed bandwidth at any center frequency. White noise draws its name from white light in which the power spectral density of the light is distributed over the visible band in such a way that the eye's three color receptors (cones) are approximately equally stimulated.

Red Noise, also called Brown noise, refers to a power density which decreases 6 dB per octave with increasing frequency (density proportional to 1/f 2)[2] over a frequency range which does not include DC (Direct Current).

Pink Noise has a frequency spectrum that is flat in logarithmic space; it has equal power in bands that are proportionally wide.

Blue Noise has a power density that increases 3 dB per octave with increasing frequency (density proportional to f ) over a finite frequency range.

Violet noise, also called purple noise, has a power density that increases by 6 dB per octave with increasing frequency.

What's New in Version 5.4.2

- Clock based timers are now rescheduled immediately after they are processed
- Added Sleep Brightness setting, which restores the last used brightness when enabled
- Added 24 hour clock setting
- Added auto play on launch setting
- Added "None" for snooze option, which hides the snooze button
- Other misc fixes and improvements

iPhone Screenshots

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Customer Reviews

Exactly what I was looking for

I have mild tinnitus from my younger days DJ’ing and it really only acts up when I’m trying to fall asleep in bed. I’ve tried dozens of white noise machines, both hardware and software, and only one machine from 2001 hit the right tone for me. Unfortunately, it recently died, and this app has been my saving grace. In less than 5 minutes, I was able to recreate the exact white noise I need to fall asleep. I also love that it the app works in the background so I can use my alarm app of choice too. Thank you so much for helping me sleep well again.

Good nights sleep at hotel!

I went traveling with my mom and she snored the night at the hotel (she did complain about a stuffy nose). I had a very quiet, battery powered fan, but it wasn't enough. Then I remembered I had this app and I put it to the test. It drowned out everything! I can't sleep without white noise to begin with and this app was perfect for that situation. I had a great night's sleep and was ready for the drive home. Thanks, guys!


I bought this app because I have misophonia, and often times I'll try playing music loudly to block out sounds. Unfortunately, that tends to hurt my ears more so than just block out sound. This app appears to do a pretty amazing job at blocking sound, so I think it was worth the 99 cents.

White Noise Generator
View in iTunes
  • $0.99
  • Category: Utilities
  • Updated:
  • Version: 5.4.2
  • Size: 3.5 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.

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