Den: Calm Sounds for Dogs

Den is a collection of 21 calming soundscapes, composed in real time for dogs — and for the people who share a home with them. Every session is synthesized live on your device. Nothing loops and nothing streams: pure tones, slow heartbeat rhythms, pink noise, rain, and legato progressions are built note by note for the exact frequencies and tempos each program calls for. The only recordings in the app are two short door-knock and doorbell sounds used by the Practice programs. THE LIBRARY 21 programs across 8 sections — Heartbeat & Rhythm, Tone Frequencies, Brainwave Entrainment, Stressful Events, Life Stage, Nature & Environment, Music & Full Sessions, and Practice. Each one carries a plain-English explanation and the research behind it, cited in the app. MADE FOR SETTLING • Programs from 20 minutes to 4 hours, or until you stop them • A gentle fade-in and a 2-minute fade-out at the…