Tips & guides for mobile devs.

September 18, 2026

Introducing iPhone 18 Pro, iPhone 18 Pro Max, and iPhone Duo device frames

Apple's new lineup is in Mockstand: iPhone 18 Pro, iPhone 18 Pro Max, and the first-generation foldable, iPhone Duo, are all in the frame library today, ready to drop your screensh…

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August 26, 2026

2D vs 3D device frames: which should you use for your App Store screenshots?

Every device frame does the same basic job: it wraps your raw screenshot in the chrome of a real phone or tablet so it reads as a product shot instead of a bare screen capture. But…

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July 29, 2026

How to A/B test your App Store & Google Play screenshots (2026)

You designed a screenshot set you're proud of, shipped it, and installs ticked up - or didn't. Either way, you can't be sure the design is the reason, or whether a different first …

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July 20, 2026

App Store screenshot best practices: how to design screenshots that convert (2026)

You can nail every dimension the stores ask for and still lose the install. Sizes and specs get your screenshots accepted; design is what gets them tapped. Most people decide wheth…

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July 9, 2026

App Store & Google Play screenshot sizes and specs (2026 guide)

Half the time an App Store or Google Play upload gets rejected, it's not a policy problem - it's a pixel problem. A screenshot that's a few pixels off the required dimensions, in t…

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July 4, 2026

How to localize app store screenshots

Localized App Store screenshots are one of the highest-leverage ASO moves you can make: users are far more likely to install an app whose store listing speaks their language and sh…

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June 27, 2026

Introducing Mockstand

Shipping an app is hard enough. Then the App Store asks for a polished set of screenshots - at multiple device sizes, for every language you support, refreshed every time your UI c…

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