Nap Noise is an ambient soundscape generator built from the ground up to take full advantage of the dual-screen capabilities of iPhone Duo. Designed for deep focus, stress relief, and restorative sleep, it pairs mesmerizing high-definition visual scenes on one display with an interactive AI Sound Lab on the other, allowing you to seamlessly layer, mix, and fine-tune multi-track audio—from heavy rain and ocean waves to binaural beats and brown noise—to create your ultimate sonic sanctuary.