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Ethic Notes vs Crystalpad: catalog facts
Ethic Notes	Crystalpad
Free Free and open source under the GPL-3.0-or-later license.	Free Free and open source under GPL-3.0, with no ads.
Android	Android
Stores notes locally No network access or declared app permissions	No internet permission and no tracking Notes stored locally on the device
Android only	No sync between devices Young project with a minimal feature set
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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