Ambiance is a featured app because users can download or create their own environment sound files. Over 2500 free sounds are available for download. Sound mixes, playlists, and alarms can be customized. You can record your own sounds ranging from 10 seconds to 3 minutes in length. Sound files can be copied and pasted into other compatible apps. Metadata and an HD images can be associated with each sound. Ambiance is a paid app for the iPhone, iPod touch, and iPad.