About this app
Shizumori is a calm, dark, beautifully simple sound app for sleep, focus, relaxation, soothing a baby, and masking tinnitus. Mix over 100 high-quality soundscapes across 15 categories — rain, ocean, fire, wind, water, white/brown/pink noise, fans, clocks, nature and more — into your own perfect blend. Save your mixes, set a sleep timer, and drift off. WHY SHIZUMORI • 100+ sounds, 15 categories — layer any of them into custom mixes • Never stops — your sound keeps playing during calls, videos and games • Tinnitus tone & filter — find your personal frequency and shape a notch filter that sits alongside your ringing instead of clashing with it • Calming breathing exercises paired with sound • One-tap ready mixes for sleep, focus, babies and calm • Sleep timer with a gentle fade-out • Beautiful, dark, distraction-free design FOR EVERY MOMENT • Sleep — soften the room and fall asleep faster • Babies — gentle white noise and womb-like textures to settle little ones • Focus — steady background sound to block out distractions • Tinnitus — broadband masking sounds that help the ringing fade into the background • Calm — unwind anytime, anywhere Shizumori is a relaxation and sound-masking tool. It does not diagnose, treat, or cure any condition. Start free. Build your first mix in seconds.
Latest release
What’s New
Bug fixes and improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 16, 2026 · 2:04 AM Free