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Open Notes vs QuickNotes: catalog facts
Open Notes	QuickNotes
Free Free and open source under GPL-3.0-only.	Free Free and open source under Apache-2.0.
Android	Android
Markdown formatting and image support Reminders and home screen widgets	Searches notes by title, content, and tags Offers tag filters and scheduled reminders
Android only	AI tagging requires an OpenAI API key and internet access
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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