App Store screenshot sizes for the iPhone Duo outer display
Studio supports the following export size for this class. Start with 1398 × 2034 in Studio.Checked against Apple's screenshot specifications on 29 October 2026.
Start this Duo display in Studio, add a capture of your app running in that display shape, and review the complete slide before export. The neutral outline marks the screen area; it does not depict Duo hardware. Design the other display separately rather than stretching this layout.
Supported export size
Open a size to copy its dimensions and see file requirements.
| Portrait | Landscape | Upload folder |
|---|---|---|
| 1398 × 2034Studio default | 2034 × 1398 | iPhone Duo outer 1398x2034 |
Apple lists the outer display as optional now and required starting April 2027 for apps using the iOS 27.1 SDK or later. Check the current requirement for your build before submission.
Fix upload and review issues
Check file dimensions for upload errors. For App Review feedback, review the guideline Apple cites and the content shown in your screenshots.
File dimensions
If App Store Connect rejects the dimensions, re-export at a size listed for the selected device class.
Show the app in use
Guideline 2.3.3 asks screenshots to show the app’s interface and functionality. Include useful app screens alongside your captions.
Use appropriate platform imagery
Guideline 2.3.10 covers unrelated imagery from other mobile platforms and marketplaces. Check frames, status bars, and badges.
See Apple's App Store Review Guidelines, checked 29 October 2026.
Check your exported files
Drop a file on the validator and it reads the dimensions in your browser, names the class it fits, and gives you the closest accepted size when it fits none. Nothing is uploaded.
Questions about iPhone Duo outer display screenshots
- What size are iPhone Duo outer display App Store screenshots?
- Studio supports 1398 × 2034 for the iPhone Duo outer display in portrait, and the same numbers transposed in landscape. Checked on 29 October 2026.
- Do I have to provide iPhone Duo outer display screenshots?
- Apple lists the outer display as optional now and required starting April 2027 for apps using the iOS 27.1 SDK or later. Check the current requirement for your build before submission.
- How many screenshots can I upload for the iPhone Duo outer display?
- One to ten files per size, per language, as PNG or JPEG. Images cannot include alpha channels or transparencies, so flatten a transparent PNG before you upload it.
- Can I design once and export every iPhone Duo outer display size?
- This display has one listed size, 1398 × 2034. Design it in its own Studio project. The other Duo display has a different shape and needs its own composition.
The other device classes
Export your iPhone screenshots
Start this display for free and export it at full resolution. The other Duo display needs a separate project. Pro lets you keep both projects and work in multiple languages.