Booktime — audiobook player https://play.google.com/store/apps/details?id=com.audiobook.player
Main features: adjustable playback speed, bookmarks, sleep timer. Shows progress of all your books. Highlights the last book you listened to. Equalizer
The app supports the most popular file formats: mp3, m4b, m4a, etc. Asks for very few permissions.
This is not an alternative to Audible. It's just a player (without a selection of books to choose from).
Booktime is based on the open source app called Voice: https://github.com/PaulWoitaschek/Voice Booktime is licensed under the GNU Lesser General Public License v3.0
