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Flexcil vs Rnote: catalog facts
Flexcil	Rnote
Freemium Free to download, with free use available to schools on application.	Free Free and open source, with optional sponsorship of the developer.
Android, iOS, Web	macOS, Linux
PDF reading and note taking side by side Gesture-based annotation suited to a stylus	Pressure-sensitive stylus input with configurable strokes Imports and annotates PDFs and images
Designed mainly for tablets Homepage gives no details on paid features	Native file format is unstable between versions macOS builds come from a separate project
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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