Compare software

Do The Thing vs Amazing Marvin: catalog facts
Do The Thing	Amazing Marvin
Free Free and open source under the GPL-3.0.	Paid Paid service with a free trial.
Android	Windows, macOS, Android, iOS, Web, Browser extension
Fully local with no account Seven task types including randomized-interval tasks	Over 100 optional features to build your own system Designed around starting and following through on tasks
Android only Young project with a small user base	No free plan beyond the trial Many options can take time to configure
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
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 September 23, 2026

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