CityNoise turns your iPhone into a noise detector and maps sound levels around you in real time. Whether you're looking for a quiet cafe to work, a peaceful park to relax, or simply want to avoid noisy streets — CityNoise has you covered. HOW IT WORKS - Walk around and CityNoise automatically measures noise levels every 5 seconds - Green pins show quiet spots, orange is moderate, red is loud - Save your favorite quiet spots with one tap — cafes, parks, libraries and more - Build your personal noise map over time FEATURES - Real-time noise measurement in decibels (dB) - Color-coded map pins — green, orange, red - Save and categorize quiet spots - Works in any city worldwide - Simple, battery-friendly design Perfect for remote workers, students, parents with babies, light sleepers, and anyone who values peace and quiet.