Pure Flow: Focus & Recovery

ambient sound mixer. one-time purchase, no subscription, no account.

layer up to 3 continuous ambient tracks and add intermittent sound effects on top. each layer has its own volume slider. effects have a density control that sets how often they fire.

AMBIENT TRACKS

24 tracks across 4 categories.

water: gentle waves, heavy rain, river stream, underwater.
urban: server room, night drive, city traffic, train.
cognitive: brown noise, pink noise, white noise, binaural tones.
organic: roaring fire, campfire, heavy wind, piano, guitar, synth.

SOUND EFFECTS

10 buckets with independent volume and density: birds, thunder, crows, owls, whales, loons, wind gusts, wind chimes, plane passes, distant train horns.

SLEEP TIMER

presets at 15, 30, 60, and 90 minutes, plus a custom field. fades to silence before stopping.

FREE FOREVER

light rain, brown noise, server room, roaring fire, birds, and thunder are free with no login required. no expiry.

one-time premium adds the remaining 20 ambient tracks and 8 SFX buckets. purchase once, keep it indefinitely.

OFFLINE. NO ACCOUNT.

zero network permissions in the release build. the app has no mechanism to contact a server. works in airplane mode. no ads. no analytics. your last mix saves automatically.