Compare software

Todoist vs Entropy's Defiance: catalog facts
Todoist	Entropy's Defiance
Freemium Free plan, with a paid Pro upgrade.	Free Free and open source under the MIT licence.
Web, Browser extension	Android, Command line
Natural-language task entry Custom filters and labels	Tasks grouped by five time horizons from today to lifetime Plain JSON storage that syncs with Syncthing
Advanced features require Pro Requires an account	Replaces the whole home screen, which not everyone wants Little documentation beyond the repository
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.