Games v58.15.1
Does MARVEL SNAP work on iPhone Duo?
It works, but with black bars. MARVEL SNAP 58.15.1 is built with the iOS 26.2 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 26.2 SDK
- Version 58.15.1, read Oct 24, 2026
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v58.15.1
- Oct 20, 2026
- Duo in release notes
- Not yet
About MARVEL SNAP
MARVEL SNAP is made by Second Dinner Studios Inc. and first came out on the App Store in October 2022. It has 137,592 ratings on the US App Store, averaging 4.7 stars. Version 58.15.1 came out on Oct 20, 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, MARVEL SNAP is #102 of them.
From its App Store listing:
Welcome to MARVEL SNAP, the Mobile Game of the Year Award Winner, loved by millions of players worldwide. Build your deck and harness the power of different abilities from MARVEL Super Heroes or Villains, and outsmart your opponent in 3 minutes or less with a winning strategy. This fast-paced CCG has weekly updates and cross-platform play, making the card game easy to pick up but hard to put down,…
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 MARVEL SNAP. 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 58.15.1 is built with the iOS 26.2 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 26.2 SDK
Latest release notes
Version 58.15.1 · Oct 20, 2026
Current Season: Vampires vs Zombies New Characters: Vampire Killmonger, Zombie Blade, Zombie Venom, Vampire Enchantress, Zombie Nova, Zombie Black Cat, Vampire Deacon Frost, Vampire America Chavez Limited Time Game Modes: Grand Arena, Team Clash, Deadpool's Diner New Albums: Shadowborn, Fireball Studio
Questions
Does MARVEL SNAP work on iPhone Duo?
It works, but with black bars. MARVEL SNAP 58.15.1 is built with the iOS 26.2 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.
Does MARVEL SNAP 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 MARVEL SNAP 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 MARVEL SNAP 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 MARVEL SNAP 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 MARVEL SNAP within about a day of its release and update this page.
What can I do about the black bars until then?
Use MARVEL SNAP 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.