The iPhone Duo simulator has now been made available in Xcode 27.1, and it’s quite the experience. Despite a few quirks here and there (this is beta software as of today), it runs relatively smoothly, and does everything we need it to do to test our apps and get them ready for this new and exciting form factor. I’ve had a chance to put it through its paces, all six layouts, including portrait and landscape, for closed, half-open and fully open, with some recent business apps,