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Notesnook vs ProtectedText: catalog facts
Notesnook	ProtectedText
Freemium A free tier covers unlimited notes and sync across devices. A paid Pro subscription adds…	Free The web notepad is free to use.
Windows, macOS, Linux, Android, Web	Android, Web
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	Encrypts notes on the device before sending them No registration required
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	Forgotten passwords cannot be recovered
Downloadable app, Web application	Downloadable app, Web application, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

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