Compare software

Karui ToDo vs Tasks.org: catalog facts
Karui ToDo	Tasks.org
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPLv3, supported by donations.
Android	Android
Tiny APK of about 124 kB Never connects to the internet	Many sync backends, including CalDAV and EteSync Works fully offline
Android only Basic task list rather than a full project manager	Desktop version is still in alpha Mainly an Android app
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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