A practical Xcode checklist and framework-by-framework guide for adapting iOS apps to the iPhone Duo foldable display — SwiftUI, UIKit, React Native, Flutter, Unity and web views.https://iphoneduosupport.com/en-ushttps://iphoneduosupport.com/blog/capacitor-web-iphone-duo/https://iphoneduosupport.com/blog/capacitor-web-iphone-duo/Hybrid iOS apps adapt best to the foldable iPhone, because CSS was built for variable viewports. An analysis of the few things that still break.Wed, 09 Sep 2026 00:00:00 GMTcapacitorcordovaionicwebviewfoldablesafe-area-insetcsshttps://iphoneduosupport.com/blog/flutter-iphone-duo/https://iphoneduosupport.com/blog/flutter-iphone-duo/Flutter already has a foldable API from Android — MediaQuery.displayFeatures. An analysis of whether it reaches iPhone Duo, and what to do either way.Wed, 09 Sep 2026 00:00:00 GMTflutterfoldableiphone-duomediaquerydisplayfeaturestwopanehttps://iphoneduosupport.com/blog/react-native-iphone-duo/https://iphoneduosupport.com/blog/react-native-iphone-duo/Meta has shipped no iPhone Duo support. Which React Native patterns break on the foldable display, which survive, and where a native module becomes unavoidable.Wed, 09 Sep 2026 00:00:00 GMTreact-nativefoldableiphone-duosafe-areausewindowdimensionshttps://iphoneduosupport.com/blog/swiftui-iphone-duo-adaptive-layout/https://iphoneduosupport.com/blog/swiftui-iphone-duo-adaptive-layout/A walkthrough of the SwiftUI APIs for iPhone Duo — ArrangementView, ReservedRegion, size classes and vertical toolbars — in the order that actually works.Wed, 09 Sep 2026 00:00:00 GMTswiftuiios-27adaptive-layoutfoldablearrangementviewreservedregionhttps://iphoneduosupport.com/blog/uikit-iphone-duo-vertical-bars/https://iphoneduosupport.com/blog/uikit-iphone-duo-vertical-bars/What changes in a UIKit app on iPhone Duo: the vertical bar region, UIArrangementViewController, reserved regions, and the UIScreen.main deprecation.Wed, 09 Sep 2026 00:00:00 GMTuikitios-27adaptive-layoutfoldableuiscreentoolbarhttps://iphoneduosupport.com/blog/unity-iphone-duo-games/https://iphoneduosupport.com/blog/unity-iphone-duo-games/Games have a harder iPhone Duo problem than apps, because resolution is usually treated as a launch-time constant. An analysis of what changes in a Unity iOS build.Wed, 09 Sep 2026 00:00:00 GMTunitygamesfoldableiphone-duosafe-areaaspect-ratio