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WriteOn: Simple Notepad vs Fossify Notes: catalog facts
WriteOn: Simple Notepad	Fossify Notes
Free Free and open source under the GPL 3.0 or later.	Free Free and open source, with no ads.
Android	Android
Markdown formatting Local and WebDAV backup and restore	Very simple text field for fast note entry Supports checklists as well as text notes
Android only Deliberately simple, without advanced organization features	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.