Decibel Meter - Sound Meter is a utility app that turns your iPhone into a sound measuring device. With its built-in microphone, the app displays the current decibel levels and provides easily readable text descriptions. You can start and stop measurements to get average, minimum, and maximum values for a specific period of time.

One of the standout features of this app is the option for calibration. Users can adjust the input decibel values according to their specific needs. Additionally, the app allows you to take screenshots of the measurement view and easily share them with friends.

The app also includes a history screen that displays saved data with date, time, average, and maximum values. Users can even export the data as a CSV file and share it with others. For added convenience, users can store their data in the cloud by creating an account and accessing it from different devices.

In the settings, users have the ability to customize the chart length to suit their preferences, whether they want to view a short period of time or a longer time span. There is also an option to keep the screen on, ensuring that recordings can be monitored at all times.

Overall, Decibel Meter - Sound Meter is a useful tool for measuring sound levels, vibrations, and noise. Its calibration capabilities, data storage options, and user-friendly interface make it a valuable app for various purposes.