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Voice vs Cozy: catalog facts
Voice	Cozy
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Android	Linux
Remembers the position in every book Builds a library from a local folder	Built specifically for audiobooks rather than music Organizes local audiobook files into a library
Android only Plays only audiobooks you already have as files	Linux only Does not buy or stream books from any store
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account 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.