Description
Sleep Mask is a white noise app that can be used as a sleep-aid or distraction blocker. It produces high quality white, pink, and brown noise sounds as well as some variations of these.
This is the FREE, ad-supported version of the Sleep Mask app.
What is White Noise?
White noise is made up of many different frequencies of sound combined together at equal intensity. Its name is analagous to white light which is a combination of all of the different colors of light in the visible spectrum.
What is Pink Noise?
Pink noise is a variation of white noise that places emphasis on bass, or the lower frequencies of sound. Its called pink noise, because if you were to do the same with the visible light spectrum you would get a pinkish color.
What is Brown Noise?
Brown noise is a variation of white noise that places stronger emphasis on the lower frequencies of sound than Pink noise. In the light analogy this would yield a deep red color. But since the noise coincides with a mathematical model called Brownian motion it is instead called Brown noise after the physicist Robert Brown.
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This is the FREE, ad-supported version of the Sleep Mask app.
What is White Noise?
White noise is made up of many different frequencies of sound combined together at equal intensity. Its name is analagous to white light which is a combination of all of the different colors of light in the visible spectrum.
What is Pink Noise?
Pink noise is a variation of white noise that places emphasis on bass, or the lower frequencies of sound. Its called pink noise, because if you were to do the same with the visible light spectrum you would get a pinkish color.
What is Brown Noise?
Brown noise is a variation of white noise that places stronger emphasis on the lower frequencies of sound than Pink noise. In the light analogy this would yield a deep red color. But since the noise coincides with a mathematical model called Brownian motion it is instead called Brown noise after the physicist Robert Brown.
In-Apps
- Extras Bundle
- USD 2.99
- Full Version Upgrade
- USD 1.99
- Ad-Free Sounds Yearly
- USD 9.99
- Ad-Free Sounds Monthly
- USD 0.99
- Ad-Free Sounds Lifetime
- USD 17.99
Screenshots
Sleep Mask FAQ
-
Is Sleep Mask free?
Yes, Sleep Mask is free to download, however it contains in-app purchases or subscription offerings.
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Is Sleep Mask legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Thanks for the vote -
How much does Sleep Mask cost?
Sleep Mask has several in-app purchases/subscriptions, the average in-app price is USD 6.79.
-
What is Sleep Mask revenue?
To get estimated revenue of Sleep Mask app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
App is not rated in Argentina yet.
Ratings History
Sleep Mask Reviews
No Reviews in Argentina
App doesn't have any reviews in Argentina yet.
Store Rankings
Ranking History
App Ranking History not available yet
Category Rankings
App is not ranked yet
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Sleep Mask Installs
Last 30 days
Sleep Mask Revenue
Last 30 daysSleep Mask Revenue and Downloads
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App Info
- Category
- Health Fitness
- Publisher
-
Ultabit
- Languages
- English
- Recent release
- 17.0.1 (10 months ago )
- Released on
- Feb 12, 2013 (11 years ago )
- Also available in
- United States, United Kingdom, India, Australia, South Korea, Norway, Canada, Sweden, Russia, New Zealand, Poland, Netherlands, Malaysia, Mexico, Lithuania, Lebanon, Kazakhstan, Kuwait, Japan, Peru, Philippines, Pakistan, South Africa, Portugal, Romania, Saudi Arabia, Singapore, Thailand, Türkiye, Taiwan, Ukraine, Vietnam, United Arab Emirates, Algeria, Argentina, Austria, Azerbaijan, Belgium, Bulgaria, Brazil, Belarus, Switzerland, Chile, China, Colombia, Czechia, Denmark, Dominican Republic, Italy, Ecuador, Egypt, Spain, Finland, France, Greece, Hong Kong SAR China, Croatia, Hungary, Indonesia, Ireland, Israel, Iceland
- Last Updated
- 1 week ago