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Karui ToDo vs Trudido: catalog facts
Karui ToDo	Trudido
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0-or-later license.
Android	Android
Tiny APK of about 124 kB Never connects to the internet	No ads or tracking Task reminders
Android only Basic task list rather than a full project manager	Android only Little published detail on sync or backup options
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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.