Kohina

Kohina is a simple yet powerful noise generator designed to help you sleep, study, focus, or relax. Choose from high-quality white noise, pink noise, brown noise, and other calming sounds — or create your own custom noise profiles for the perfect background sound. Whether you need to block distractions, improve concentration, or create a calming atmosphere, Kohina makes it effortless. Start with built-in presets or use them as templates to design your ideal sound mix — tailored exactly to your needs. Features: • Multiple noise presets — including white, pink, and brown noise for different moods and environments • Custom profiles — create unique noise mixes or adapt existing presets • Sleep timer — stop playback automatically after a set time • AirPlay support — stream to speakers, headphones, or other devices • Profile management — hide or sort profiles for a clean, personalized layout Perfect for sleep, work, study, meditation, or simply creating a relaxing background. Kohina combines simplicity with deep customization so you can focus on what matters — not on complicated controls.