Works offline
Every sound is synthesized on your phone while it plays, so it works on flights, in hotels and anywhere without signal. The app stays tiny.
White noise and sleep sounds for Android
Rain, ocean waves, brown noise, a steady fan and more, generated live on your phone. Nothing to download, nothing that loops, and no internet needed.

White, pink and brown noise, rain, ocean, wind, stream and fan for free. Pro adds heavy rain, thunder, fireplace, heartbeat, train, airplane cabin and more.
Layer sounds and set each volume. Pro adds unlimited layers and a tone control for every sound.
15 to 90 minutes, then the sound fades out slowly. Pro timers run up to 4 hours with fades up to 20 minutes.
Keeps going with the screen off, with play, pause and timer in the notification. Pauses when headphones are unplugged.
Pro saves your favorite mixes and puts them on a home screen widget, one tap from sleep.
Pro starts a sound at your wake time and fades it in over 5 to 30 minutes.
Every sound is synthesized on your phone while it plays, so it works on flights, in hotels and anywhere without signal. The app stays tiny.
No account, no ads, no analytics, no tracking. Your mixes and settings stay on your phone.
The free version is genuinely useful. Pro is a single purchase, not a subscription.