WhiteNoise - White Noise is a free lifestyle application designed for iPhone users, focusing on health and fitness through improved sleep quality. The app features an extensive library of 30 calming soundscapes, including various noises like white, green, and grey, as well as soothing nature sounds such as rain, wind, and ocean waves. These sound options are customizable to help users block out unwanted noises and form calming sleep associations.

In addition to aiding sleep, WhiteNoise also enhances focus and creativity, making it suitable for studying or meditation. The app includes sounds like rain on different surfaces and thunderstorms, providing a diverse auditory experience. Users can opt for an ad-free experience with a subscription, which offers additional features. Refunds for in-app purchases are managed through Apple, as the app does not issue refunds directly.