Apple launches iPhone Duo developer resources ahead of October release
Apple published a Get ready for iPhone Duo developer page with Group Labs on Sep 16–17, Photos/Camera/SwiftUI/UIKit Q&As on Sep 23, workshops later this month, upcoming Xcode 27.1 beta and design docs, plus five WWDC-style videos.
Following the iPhone Duo announcement, Apple has published a Get ready for iPhone Duo page on the Apple Developer site to help developers prepare apps for the company’s first foldable iPhone.
Meet with Apple
Group Labs (online, with Apple engineers and designers):
- September 16, 8–9 p.m. PT
- September 17, 8–9 a.m. PT
Q&As on the Apple Developer Forums (September 23):
- Photos & Camera — 7–9 a.m. and 6–8 p.m. PT
- SwiftUI — 8–10 a.m. and 5–7 p.m. PT
- UIKit — 8–10 a.m. and 5–7 p.m. PT
iPhone Duo Workshops are listed as coming later this month, with hands-on sessions to optimize apps and explore resizability across screen sizes.
Tools, docs, and videos
Apple also lists upcoming tools and documentation later this month, including:
- Xcode 27.1 beta — latest SDKs to build, run, and test for iPhone Duo
- Designing for iPhone Duo
- Preparing your app for iPhone Duo
The page currently lists five WWDC-style videos:
- Design for iPhone Duo
- Prepare your app for iPhone Duo
- Raise the bar with iPhone Duo
- Strike a pose with adaptive layouts on iPhone Duo
- Leverage multiple displays and scenes on iPhone Duo
Why it matters
Duo’s dual-display / resizable layouts are a new app surface for iPhone. Apple’s labs, Q&As, and upcoming Xcode 27.1 beta give developers a concrete prep path before October pre-orders — start from the official developer page.