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Swift Playground vs Processing: catalog facts
Swift Playground	Processing
Free Free from the App Store.	Free Free and open source.
macOS, iOS	Linux
Interactive lessons that teach core coding concepts Uses real Swift and SwiftUI	Immediate visual feedback when a sketch runs Large set of built-in examples, tutorials and books
Only available on iPad and Mac Limited compared with Xcode for larger projects	Simple editor compared with a full IDE Aimed at creative coding rather than general application development
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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