AudioCleanup is a free Android app developed by Rainer Glüge, which helps users free up storage space by cleaning up their audio libraries. The app has two primary functions: searching for and deleting duplicate songs, and deleting album art images from audio files with ID3.2+ audio tags.

The duplicate search function is based on similar track length and title/filename/foldername strings. The results are listed, and users can select and delete files. The album art deletion function is useful for those who do not need or want album art images taking up space on their devices.

AudioCleanup supports most audio formats and has adjustable tolerances for the fuzzy comparison, making it a versatile app for audio library cleanup. The keywords associated with the app include music, audio, library, collection, free, space, storage, mp3, id3, album art, album cover, clear, clean, remove, delete, optimize, and cleanup.

Overall, AudioCleanup is a useful tool for anyone looking to optimize their device's storage by cleaning up their audio library.