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Flexcil vs Jotdown: catalog facts
Flexcil	Jotdown
Freemium Free to download, with free use available to schools on application.	Free Free and open source under the GPL-3.0 licence.
Android, iOS, Web	Android
PDF reading and note taking side by side Gesture-based annotation suited to a stylus	Reading, annotation and organisation work fully offline No account required
Designed mainly for tablets Homepage gives no details on paid features	Android only Documentation mainly in Portuguese
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-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 October 2, 2026

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