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Crystalpad vs NotallyX: catalog facts
Crystalpad	NotallyX
Free Free and open source under GPL-3.0, with no ads.	Free Free and open source.
Android	Android
No internet permission and no tracking Notes stored locally on the device	Notes and checklists in a minimal interface Labels for organizing notes
No sync between devices Young project with a minimal feature set	Android only No sync service of its own
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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