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toodoo vs Karui ToDo: catalog facts
toodoo	Karui ToDo
Free Free and open source under the GPL-3.0-or-later license.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Flexible task filters and sorting Search across task names and descriptions	Tiny APK of about 124 kB Never connects to the internet
English interface only Date and time settings are fixed	Android only Basic task list rather than a full project manager
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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