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Tux Paint vs Sumo: catalog facts
Tux Paint	Sumo
Free Free and open source.	Freemium Apps open free in the browser; the homepage does not detail paid options.
Windows, macOS, Linux, Android, iOS	Web
Interface designed for young children Runs on many platforms, including Android and Haiku	Nothing to install Painting app with over 300 brushes
Too simple for serious illustration or photo editing iOS version is unofficial	Pricing details are not stated on the homepage Individual apps are simpler than dedicated desktop programs
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
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 24, 2026

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