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Voice vs BookPlayer: catalog facts
Voice	BookPlayer
Free Free and open source under the GPL-3.0 licence.	Free Free to download; source code is public.
Android	iOS
Remembers the position in every book Builds a library from a local folder	Dedicated to DRM-free audiobook files Open source
Android only Plays only audiobooks you already have as files	iOS only Does not play DRM-protected store audiobooks
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	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.