Tonic: White Noise & Sleep

Fall asleep faster with white noise, pink noise, and brown noise. Tonic generates unique, never-repeating sleep sounds and focus music—completely offline, no ads, no tracking. Unlike apps that loop pre-recorded tracks, Tonic creates fresh soundscapes using real-time audio algorithms. Every session is one of a kind. SOUND TONICS — Algorithmically Generated › Bright — Crisp white noise that masks distractions and sharpens concentration › Rest — Warm pink noise scientifically linked to deeper, more restorative sleep › Focus — Deep brown noise that quiets mental chatter and promotes flow states NATURE SOUNDS — Botanical Essences › Rain — Gentle rainfall on a windowpane › Ocean — Rhythmic coastal waves › Forest — Birds and rustling leaves in woodland serenity PERSONALIZED FOR YOU Take a brief quiz and receive a tailored sound prescription—your ideal noise type, volume, and duration for your specific needs. DESIGNED FOR SLEEP › Set precise timers: 15 min, 30 min, 1 hr, 2 hr, or 8 hr overnight › Adjust intensity from gentle whisper to full immersion › Automatic fade-out gently eases you awake › Background playback continues with screen locked › Lock screen controls for seamless operation › Built-in hearing safety indicators protect your ears › Works completely offline—no internet required › No accounts, no ads, no tracking A DIFFERENT KIND OF SOUND APP Tonic draws inspiration from Victorian apothecaries—places where remedies were carefully formulated and dispensed with intention. Every detail, from the elegant dark interface to the amber-gold accents, is designed to feel like a sanctuary. Whether you're battling insomnia, seeking deeper focus for work, or simply craving a moment of calm, Tonic dispenses the perfect sonic remedy. Cork your distractions. Dispense tranquility.