Five noise colors
Move between white, pink, brown, green, and deep noise to find the texture that feels right.
Sleep & focus sounds
Sereni
Five colors of noise, designed for calmer sleep and deeper focus.
Sound that makes room for stillness.
Made for the moment
Five colors of noise, designed for calmer sleep and deeper focus.
A quiet, deliberate sound space for sleep, focus, and decompression. Choose the noise color that suits the moment, set a timer, use Lock Screen controls, and let everything else fade away.
Sereni Plus
One $1.99 purchase removes the banner ad and unlocks the home-screen widget—no subscription.
A gentler ending
Use the sleep timer and Lock Screen controls while all five sounds remain available offline.
Available now
Sereni
Five colors of noise, designed for calmer sleep and deeper focus.
View on the App Store