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My Brain vs Amplenote: catalog facts
My Brain	Amplenote
Free Free and open source under GPL-3.0.	Freemium Free plan available, with paid plans for more features.
Android	Windows, macOS, Linux, Android, iOS, Web
Tasks, notes, calendar, diary, and bookmarks in one app Includes an AI assistant	Notes, tasks and calendar planning in one app Detailed statistics on completed tasks
Android only	Requires an account and cloud service Many features can make it heavier than a plain notes app
Downloadable app	Downloadable app, Web application, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it 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 September 23, 2026

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