Sleep sound mixer for people who won't pay $70/year for a rain loop. Layer up to 8 sounds at once. Each track has its own volume. Set a fade-out timer so you drift off naturally. Turn your device into a circadian-friendly night light. Binaural beats, tinnitus relief, breathing exercises, AI Sleep Coach. Free: 21 sounds, 3-track mixing, timer, breathing. Premium: $6.99/mo, $39.99/yr, or $149.99 lifetime.