A beautiful, minimalistic sound machine. 70+ curated sounds for sleep, focus, and deep relaxation.
From brown noise to rain on windows, every sound is carefully selected and mastered for the deepest relaxation.
Set it and forget it. Sounds fade away gently as you drift off, never jarring you awake.
Layer multiple sounds together with individual volume controls. Save your favorites for one-tap access.
Scientifically-proven frequencies to mask distractions and promote deep focus.
Immerse yourself in the calming sounds of the natural world, recorded in pristine quality.
"Really happy with this app. Nice layout, all the options I want. Can mix and save, has a timer, no ads!"
— Dane H.
"I've used many different ambient sound apps and really appreciate the quality of sounds included in this app."
— Mazeppa
"Finally found the perfect app for my sleep routine. The brown noise is incredibly soothing and the interface is so intuitive."
— Sarah K.
Join thousands who've transformed their nights with Slo.