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Paintstorm Studio vs MyPaint: catalog facts
Paintstorm Studio	MyPaint
Paid Paid software with a trial version.	Free Free and open source under the GPL.
Windows, macOS, Linux, iOS	Windows, Linux
Very detailed brush customization Stabilizer, gap closing and perspective rulers for line art	Infinite canvas with no fixed document size to plan around Extremely configurable brushes with full graphics tablet support
Paid after the trial The many brush settings take time to learn	Last stable release was 2.0.1 in 2020; newer work is only in nightly builds Windows and Linux only in official builds; no macOS release
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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