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Quillpad vs Iotas: catalog facts
Quillpad	Iotas
Free Free and open source.	Free Free and open source under the GPL-3.0 or later.
Android	Linux
Markdown formatting in notes Task lists alongside notes	Fast Nextcloud Notes sync with offline editing Optional Markdown with a formatted view and task lists
Android only Sync depends on having a Nextcloud server	Notes are stored in SQLite, not plain files Export to PDF, ODT and HTML is still in preview
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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