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Flash Deck vs FloFla Cards: catalog facts
Flash Deck	FloFla Cards
Free Free and open source under the GPL 3.0 licence.	Free Free and open source under the GPL-3.0 or later.
Android	Android
Quick card entry with Save and Add Another Reversible cards for testing both directions	Cards appear over other apps without opening a study app Review interval is configurable
Android only Simpler than full spaced-repetition apps such as Anki	Android only Overlay pop-ups can interrupt other apps
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is 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 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.