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Mnemosyne vs Brainscape: catalog facts
Mnemosyne	Brainscape
Free Free and open source.	Freemium Free to start, with paid upgrades for extra features.
Windows, macOS, Linux	Android, iOS, Web
Spaced-repetition scheduling that focuses on cards you forget Uncluttered interface for newcomers	Large catalog of ready-made decks Confidence-based spaced repetition
Smaller community and fewer shared decks than Anki Plain, older-style interface	Proprietary, cloud-based decks Some features sit behind a paid upgrade
Downloadable app	Downloadable app, Web application
Open source	Closed source
License not stated	License not stated
No account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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