Shizumo - Build quieter habits

Shizumo is a privacy-first noise meter that measures ambient sound for **10–30 seconds** and saves a snapshot so you can review trends over time—without chasing noisy moment-to-moment numbers. # Highlights - Tap-to-save snapshots: tap → measure 10–30s → saved 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 - Readable history: date grouping + mini trend sparkline - Export: share your history as CSV - Languages: Korean / Japanese / English # Privacy - Requires Microphone permission 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. Note: dB values are estimates and can vary by device/environment.