Shush is a smart sleep sound app that analyzes a user's room frequencies and generates only the missing sounds for full-spectrum noise at lower volume. It uses real-time synthesis with no loops, includes a smart timer that fades out after helping users fall asleep, and offers tinnitus notch therapy. The app adapts output for speakers, headphones, or Bluetooth devices.
is a Habit, mindfulness & journaling product. It provides personalized, lower-volume background noise that adapts to a user's actual room sounds to improve sleep quality without continuous noise interference. It is built as a consumer product for people with sleep difficulties or tinnitus. There is a free tier. The product ships for iOS.
Behind is David Bennett, based in the United States, and the product first shipped in 2026. Key capabilities include Adaptive Noise Generation, Smart Timer, and Tinnitus Notch Therapy.
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