Compare software

BookPlayer vs ShelfPlayer: catalog facts
BookPlayer	ShelfPlayer
Free Free to download; source code is public.	Free Free; source code is published on GitHub.
iOS	iOS
Dedicated to DRM-free audiobook files Open source	Native iOS interface Works with self-hosted Audiobookshelf libraries
iOS only Does not play DRM-protected store audiobooks	Requires an Audiobookshelf server iOS only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.