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FloFla Cards vs ProcrastiLearn: catalog facts
FloFla Cards	ProcrastiLearn
Free Free and open source under the GPL-3.0 or later.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Cards appear over other apps without opening a study app Review interval is configurable	Gates chosen apps behind a flashcard review Spaced repetition with Anki import
Android only Overlay pop-ups can interrupt other apps	Android only AI translations are optional and depend on an external service
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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