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Parley vs Wokabulary: catalog facts
Parley	Wokabulary
Free Free and open source as part of the KDE applications.	Freemium Free to download for iPhone, iPad, and Mac.
Windows, Linux	macOS, iOS
Spaced repetition scheduling for reviews Several training modes, including multiple choice and written answers	Spaced repetition and multiple quiz modes Supports multiple languages and alphabets
No mobile apps Desktop interface feels dated next to app-based trainers	Available for iPhone, iPad, Mac, and Apple Watch.
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0-or-later	License not stated
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 October 8, 2026

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