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ItsPaint vs Seashore: catalog facts
ItsPaint	Seashore
Free Free on the App Store and MIT licensed.	Free Free and open source.
macOS	macOS
Numbered step badges and pixelation for screenshot markup Creates blank canvases and edits existing images	Native macOS interface Layers, brushes and effects for common editing tasks
Requires macOS 14 or later	macOS only Fewer features than professional image editors
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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