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Microsoft To Do vs Things 3: catalog facts
Microsoft To Do	Things 3
Free Free to use from Microsoft.	Paid One-time purchase, priced separately for Mac, iPhone and iPad.
Windows, macOS, Android, iOS, Web	macOS, iOS
Free with no paid tier needed for the app itself Works with Outlook tasks and Microsoft Planner	Clean, well-regarded design Quick to learn
Closed source and tied to Microsoft's services Most useful for people already in the Microsoft 365 ecosystem	Apple platforms only Each platform version is bought separately
Downloadable app, Web application	Downloadable app
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	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.