Compare software

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