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Things 3 vs Todoist: catalog facts
Things 3	Todoist
Paid One-time purchase, priced separately for Mac, iPhone and iPad.	Freemium Free plan, with a paid Pro upgrade.
macOS, iOS	Web, Browser extension
Clean, well-regarded design Quick to learn	Natural-language task entry Custom filters and labels
Apple platforms only Each platform version is bought separately	Advanced features require Pro Requires an account
Downloadable app	Downloadable app, Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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 September 23, 2026

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