Decibel Log provides a noise measurement capabilities. The measured decibel levels can be stored in a time-lapse type and snapshot-type. It provides real-time graphs and cumulative graphs. Allows a placemark measured using the GPS function. Each display screen shot and the total stored data can be sent by e-mail.[Functions and Features]* Noise level measurement- Supports average, peak, max power of sound.- Supports two method of saving, time-lapse and snap shot.* Data List - Save time, name, GPS Location, Average, Peak, Max of sound power. - Supports editing and deleting.* Graph- Supports real-time sound level graph.- Supports history graph of saved data.- Line selection.* Location- Displays address of the current location in real time.- If you do not want it can be a function OFF.* Map- Supports Zoom-In, Zoom-Out.- Range selection by slider.- Selected placemark display the level of sound.* Email - Send each screen shot and total saved data. - Total saved data is CSV formatRun the environment;* platform- It is compatible with iOS 7.0 or later.