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Amazing Marvin vs Everdo: catalog facts
Amazing Marvin	Everdo
Paid Paid service with a free trial.	Paid Sold as a one-time purchase rather than a subscription.
Windows, macOS, Android, iOS, Web, Browser extension	Windows, macOS, Linux, Android, iOS, Browser extension
Over 100 optional features to build your own system Designed around starting and following through on tasks	Offline-first apps on desktop and mobile End-to-end encrypted sync
No free plan beyond the trial Many options can take time to configure	Closed source GTD structure may feel heavy for simple lists
Downloadable app, Web application, Browser extension	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.