Noise Decibel Meter is a utility application designed for iPhone users to measure sound levels in real-time. The app provides features such as tracking maximum and average decibel levels, making it easier for users to monitor their environment's noise levels effectively.

The application also allows users to record data for each test, offering a comprehensive overview of sound exposure over time. Additionally, the app includes an option to keep the screen always on during measurements, enhancing usability during extended tests. Its simple interface design ensures that users can navigate the app with ease, making it accessible for a wide range of users.