Developer Tools v11.1.1
Does Apple Developer work on iPhone Duo?
Yes. Apple Developer is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
At a glance
- Inner display (7.6″)
- Built for Duo
- Outer display (5.4″)
- Works normally
- Built with
- Not read yet
- We read each app's build SDK after it updates
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v11.1.1
- Oct 22, 2026
- Duo in release notes
- Not yet
About Apple Developer
Apple Developer is made by Apple and first came out on the App Store in June 2013. It has 2,185 ratings on the US App Store, averaging 4 stars. Version 11.1.1 came out on Oct 22, 2026 and needs iOS 26.0 or later. It's free to download.
From its App Store listing:
Welcome to Apple Developer, your source for developer news, features, and videos — and the best place to experience WWDC. • Keep up to date on the latest Apple frameworks and technologies. • Browse news, features, developer stories, and more. • Catch up on videos from past events and download them to watch offline. • Enroll in the Apple Developer Program in supported locales.
On the inner display
The app reaches the edges of the inner display. Text and controls stay a comfortable size instead of being blown up.
In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Apple Developer. Open it on the inner display, then add a second app next to it. You can save the pair and come back to it later.
Duo-specific features
None confirmed yet. Duo-specific features include side toolbars, layouts that react to the fold, and content on the outer display while the app is open inside.
Evidence & history
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 5 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Built for Duo — its App Store listing has iPhone Duo screenshots
Latest release notes
Version 11.1.1 · Oct 22, 2026
Thank you for your feedback! New in this release: • We’ve fixed bugs and added various other enhancements.
Questions
Does Apple Developer work on iPhone Duo?
Yes. Apple Developer is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does Apple Developer work on the outer display?
Yes. iPhone Duo's 5.4-inch outer display behaves like a regular iPhone screen, so every iPhone app works there as usual.
Can I use Apple Developer in Split View on iPhone Duo?
Yes. On iPhone Duo every app can be placed side by side with another app on the inner display — developers don't need to opt in. How comfortable it feels at half width depends on the app's layout.