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AquarellNotes vs 1List: catalog facts
AquarellNotes	1List
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the MIT licence.
Android	Android
Notes and shopping lists in one app No accounts, ads, analytics or tracking	All lists browsable from one screen One-tap item entry
Early beta from a single developer No sync between devices	Android only Basic lists without due dates or reminders mentioned
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
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 2, 2026

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