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Does 烹饪环游记 work on iPhone Duo?

It works, but with black bars. 烹饪环游记 1.57 is built with the iOS 26.4 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.

Black barsFrom the app's buildLast checked
Illustration: app runs in a phone-sized window with black bars on both sides
烹饪环游记 on the inner display — black bars

At a glance

Inner display (7.6″)
Black bars
Outer display (5.4″)
Works normally
Built with
iOS 26.4 SDK
Version 1.57, read Oct 24, 2026
iPad version
Yes
Layout already handles big screens
Latest version
v1.57
Oct 23, 2026
Duo in release notes
Not yet

On the inner display

Apps built with older SDKs are placed in a phone-sized safe area on a black background. Everything works; you just don't get the bigger screen.

Why some apps show black bars on iPhone Duo

In Split View

iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including 烹饪环游记. 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.

How Split View works on iPhone Duo

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

  1. App build,

    Version 1.57 is built with the iOS 26.4 SDK

    Apple runs apps built with the iOS 26 SDK or earlier in a phone-sized window on the inner display.

  • : Not confirmed yet → Black bars — built with the iOS 26.4 SDK

Latest release notes

Version 1.57 · Oct 23, 2026

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Questions

Does 烹饪环游记 work on iPhone Duo?

It works, but with black bars. 烹饪环游记 1.57 is built with the iOS 26.4 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.

Does 烹饪环游记 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 烹饪环游记 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.

Why does 烹饪环游记 have black bars on iPhone Duo?

Apps built with the iOS 26 SDK or earlier run in a phone-sized window on the inner display, and iOS 27 builds can still leave some space empty. The bars disappear once the developer rebuilds the app with the iOS 27.1 SDK — you only need to update the app.

When will 烹饪环游记 fill iPhone Duo's inner display?

When its developer releases an update built with the iOS 27.1 SDK or later. We read the SDK of every new version of 烹饪环游记 within about a day of its release and update this page.

What can I do about the black bars until then?

Use 烹饪环游记 on the outer display, where it works like on any iPhone, or put it in Split View next to another app on the inner display so less of the screen goes unused.