ROOFTOP GAMES OYUN TEKNOLOJILERI ANONIM SIRKETI
Games v3.28.0
Does Connect Master work on iPhone Duo?
It works, but with black bars. Connect Master 3.28.0 is built with the iOS 26.1 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.
At a glance
- Inner display (7.6″)
- Black bars
- Outer display (5.4″)
- Works normally
- Built with
- iOS 26.1 SDK
- Version 3.28.0, read Oct 27, 2026
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v3.28.0
- Oct 26, 2026
- Duo in release notes
- Not yet
About Connect Master
Connect Master is made by ROOFTOP GAMES OYUN TEKNOLOJILERI ANONIM SIRKETI and first came out on the App Store in May 2025. It has 15,353 ratings on the US App Store, averaging 4.9 stars. Version 3.28.0 came out on Oct 26, 2026 and needs iOS 15.0 or later. It's free to download. Among the 238 games we track on the US App Store, 34 already fill the inner display, 9 are partly adapted and 187 still show black bars. By number of ratings, Connect Master is #180 of them.
From its App Store listing:
Welcome to Connect Master – Match Puzzle, a vibrant visual logic puzzle game where observation, focus, and strategy come together. - Your goal is simple yet clever: Find the hidden connections between expressive, cute characters and group them into perfect sets of four. Look closely — each group shares a secret visual trait. It might be hair color, glasses, outfit style, facial expression, or even…
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.
In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Connect Master. 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 build,
Version 3.28.0 is built with the iOS 26.1 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 26.1 SDK
Latest release notes
Version 3.28.0 · Oct 26, 2026
New levels have arrived!
Questions
Does Connect Master work on iPhone Duo?
It works, but with black bars. Connect Master 3.28.0 is built with the iOS 26.1 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.
Does Connect Master 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 Connect Master 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 Connect Master 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 Connect Master 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 Connect Master within about a day of its release and update this page.
What can I do about the black bars until then?
Use Connect Master 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.