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App Store screenshot size reference and checker

Every pixel size Apple accepts, which ones are required, and a checker that tells you which device class your image matches. The image is read in your browser and never uploaded.

Device and displayPixels (portrait / landscape)Status

Is my image the right size?

×

Rules for every size: JPEG or PNG, no alpha channel or transparency, at least 1 and up to 10 screenshots per device size. If your UI is the same across sizes, the highest required resolution is enough. Source: Apple, Screenshot specifications (checked 28 October 2026).

What you must upload

iPhone Duo: Apple says that starting April 2027 screenshots will be required for any app built with the iOS 27.1 SDK or later.

The full explanation, with a pre-upload checklist, is in the screenshot size guide.

Frequently asked questions

Is my image uploaded?

No. The browser reads the width and height of the file you pick; nothing leaves your device.

How many screenshots are allowed?

At least one and up to 10 per device size.

Where Shipmate comes in

Check how the listing performs

Shipmate shows sales by day and country, new reviews and keyword ranks for your apps in one Mac window.

Download on the Mac App StoreFree · macOS 14 or later · no account

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