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Rnote vs Concepts: catalog facts
Rnote	Concepts
Free Free and open source, with optional sponsorship of the developer.	Freemium Free to download, with paid features listed on the pricing page.
macOS, Linux	Windows, Android, iOS
Pressure-sensitive stylus input with configurable strokes Imports and annotates PDFs and images	Strokes stay editable as vectors Infinite canvas with artboards and unlimited layers
Native file format is unstable between versions macOS builds come from a separate project	Some tools require a paid plan No native macOS or Linux version listed
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account 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 September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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