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