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Tasks.org vs Todo: catalog facts
Tasks.org	Todo
Free Free and open source under the GPLv3, supported by donations.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Many sync backends, including CalDAV and EteSync Works fully offline	Tasks and notes in one app Data stays on the device
Desktop version is still in alpha Mainly an Android app	Little public documentation No sync between devices mentioned
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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