A free brown noise app for focus and sleep
Brown noise is the deep, rumbling favourite for focus and sleep. A good brown noise app generates it cleanly and lets you shape it. Here's what matters.
What makes a great one
The things that actually matter in a noise app - and where Noizim lands.
True deep brown
Generated on-device for a smooth, seam-free low rumble.
Layer and mix
Add rain or a hum under the brown noise and save the set.
A drift-off timer
Fades out gently after you fall asleep.
Focus-friendly
Runs in the background all day with the screen off.
Offline
Works on a plane or anywhere without signal.
Free to start
Noizim is $0 to begin - try brown noise right now.
Everything Noizim gives you
A whole library of sounds and tools, free to start.
Eight colors of noise, dozens of ambient beds, mixing, folders, a drift-off timer and more - all free to start.
Questions
Yes - Noizim generates brown noise on-device and is free to start, with a drift-off timer and background playback at no cost.
Brown noise's deep, even rumble masks distraction and quiets internal chatter, which many people - especially with ADHD - find helps them focus.
Ready when you are
Free to download and start today, $0. No account, works offline.