LibriVox Audio Books
is a free app where you can access audiobooks of texts that are already in the public domain. LibriVox recordings are sourced by volunteers and then published for others to tune in. On this site and app you can find thousands of titles in categories such as history, fiction, philosophy, poetry, and more. LibriVox is available in over 30 different languages.
Librivox also allows you to make bookmarks and share content with friends. If you like to read before bed, the app even includes a sleep timer to make sure you don't stay up all night!
LibroVox is also available for iOS