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Google Tasks vs Ao: catalog facts
Google Tasks	Ao
Free Free with a Google account.	Free Free and open source under the MIT license.
Android, iOS, Web	Windows, macOS, Linux
Built into Gmail and Google Calendar Syncs across web and mobile	Customizable local and global keyboard shortcuts Dark, black, and sepia themes
Requires a Google account Few features compared with dedicated task managers	Requires a Microsoft To Do account
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: MIT
Account 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 October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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