PlayBook – audiobook player Mod APK 3.0.0 (Paid for free)(Free purchase)

PlayBook – open source audiobook player. Easy to operate.

Features:
– no ads
– color customization
– light and dark themes
– simple and modern design
– support for Android Auto
– bookmarks
– sleep timer
– adjust playback speed

https://github.com/Goodwy/PlayBook
Open Source license is Gnu GPLv3