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Parley vs AnkiDroid: catalog facts
Parley	AnkiDroid
Free Free and open source as part of the KDE applications.	Free Free and open source.
Windows, Linux	Android
Spaced repetition scheduling for reviews Several training modes, including multiple choice and written answers	Spaced-repetition scheduling for efficient review Compatible with Anki decks
No mobile apps Desktop interface feels dated next to app-based trainers	Android only Syncing with other devices depends on a separate Anki sync service
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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