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Seashore vs Adobe Photoshop: catalog facts
Seashore	Adobe Photoshop
Free Free and open source.	Paid Subscription plans with a free trial; a free mobile app is also offered.
macOS	Windows, macOS, Web
Native macOS interface Layers, brushes and effects for common editing tasks	Broad toolset for retouching, compositing and painting Generative AI features for editing and creating scenes
macOS only Fewer features than professional image editors	Subscription only for the full desktop version No Linux version
Downloadable app	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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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