SGNL.fm is a functional audio tool designed to hack your state of mind. Powered by a generative engine, it composes living, non-repetitive soundscapes in real-time for deep Focus, Energy, and Zen. Experience infinite flow with zero listener fatigue, wrapped in an immersive Liquid Glass UI. Privacy first: no ads, no trackers. Start with a friction-free 48-hour Premium Pass—absolutely no credit card required. Signal in. Noise out.