Compare software

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