Compare software

Mnemosyne vs Space: catalog facts
Mnemosyne	Space
Free Free and open source.	Freemium Core study features are free; Pro adds unlimited AI features.
Windows, macOS, Linux	Windows, macOS, Linux, Android, iOS
Spaced-repetition scheduling that focuses on cards you forget Uncluttered interface for newcomers	Uses FSRS-6 to schedule reviews Imports Anki decks and common spreadsheet formats
Smaller community and fewer shared decks than Anki Plain, older-style interface	Unlimited AI features require Pro
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: Proprietary
No account needed	Not stated if an account is 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 October 8, 2026

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