Shizumo - Build quieter habits

Shizumo is a privacy-first noise meter that measures ambient sound for 10–30 seconds, then saves a snapshot so you can review trends over time—without chasing noisy, moment-to-moment fluctuations. Built for everyday places like cafés, libraries, trains, and offices, Shizumo helps you stay mindful with clear, session-based feedback. ### Great for - Staying mindful in public places (cafés, libraries, trains, offices) - Keeping simple, session-based records instead of chasing momentary numbers ### Key features - Tap-to-save snapshots: Tap the circle → measure 10–30s → auto-save to history - Place-based guidelines: Recommended dB for common places + adjustable levels - Custom places (up to 3): Add your own places with name, icon, and baseline dB - Quiet Score: See how often you stay under your guideline - History that’s easy to read: Date grouping + mini trend sparkline - Manage records: Delete a session with confirmation - Export when you need it: Share your history as CSV - Languages: Korean / Japanese / English ### Privacy & permission - Microphone permission is used only to estimate sound level (dB). - No raw audio is recorded, stored, or transmitted. - Only on-device settings and summary results may be stored locally. ### Ads - To keep the app free, a banner ad may be shown (Android/iOS release builds). - Ads may be served via the Google Mobile Ads (AdMob) SDK. Note: dB values are estimates and can vary by device/environment.