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Quizlet vs Parley: catalog facts
Quizlet	Parley
Freemium Free to use, with paid plans for additional features.	Free Free and open source as part of the KDE applications.
Web	Windows, Linux
Study sets can be turned into flashcards, games and tests Large library of sets shared by other users	Spaced repetition scheduling for reviews Several training modes, including multiple choice and written answers
Hosted service; your sets are stored on Quizlet's servers Some features sit behind a paid plan	No mobile apps Desktop interface feels dated next to app-based trainers
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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