duocn is an opinionated layer on top of Apple's iPhone Duo APIs (ReservedRegion, DeviceHinge, ArrangementView). It ships 18 SwiftUI components across foundations, layout, controls, navigation, feedback and media, six of which do something a single-screen phone physically cannot.

It includes DuoStage, a pose harness that lets you pin any of the five device poses in a #Preview so you never unfold a physical device to check a layout. Components install as a zero-dependency Swift package or one file at a time with `npx duocn add`, and the Next.js docs site reads the Swift source straight off disk.

Technologies Used

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  Swift

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  Next.js

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  TypeScript

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  Tailwind CSS