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Notesnook vs This Note: catalog facts
Notesnook	This Note
Freemium A free tier covers unlimited notes and sync across devices. A paid Pro subscription adds…	Free Proprietary app distributed on Flathub; the homepage lists no price.
Windows, macOS, Linux, Android, Web	Windows, Linux, Android
End-to-end encrypted on device with XChaCha20-Poly1305 and Argon2, so the service holds no readable data The full client codebase is published, which makes the privacy claim auditable	Works offline with encryption Per-note password protection
An account is required; it is a sync service, not a local-only app Encryption means no server-side search, and losing your password loses the notes	Proprietary, source not published No macOS or iOS version listed
Downloadable app, Web application	Downloadable app
Open source	Closed source
License: GPL-3.0	License: Proprietary
Account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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