DriftNoise

Procedural sleep and focus sounds, on device

• →Procedural audio (white, pink, brown, fan, rain, surf) generated on device
• →Mixer controls for volume, warmth, and movement
• →Sleep timer with gentle fade-out
• →Background audio that survives screen lock
• →Local presets and settings, no account or backend
• →No bundled recording library — fully procedural, smaller footprint