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Free Duo tools

Duo Mockup

Your app, on a 3D foldable. Drop a screenshot, pick a pose and a background, and download a studio-quality image for your App Store page, launch post or pitch.

Drop a screenshot to begin

Pose
Background

For iPhone Duo developers

Apple's App Store screenshot spec lists the inner display at 2007 x 2853, and Apple says Duo screenshots become required in April 2027 for apps built with the iOS 27.1 SDK. Capture yours in Xcode's Device Hub, then drop them here for marketing images.

Want a hand getting your app ready for the fold? Talk to us.