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Crystalpad vs Fossify Notes: catalog facts
Crystalpad	Fossify Notes
Free Free and open source under GPL-3.0, with no ads.	Free Free and open source, with no ads.
Android	Android
No internet permission and no tracking Notes stored locally on the device	Very simple text field for fast note entry Supports checklists as well as text notes
No sync between devices Young project with a minimal feature set	Android only Not designed for large, structured note collections
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.