Show HN: Duo Studio – Open-source iPhone Duo mockup maker

Duo Studio, an open-source browser-based tool, creates foldable phone mockups and folding animations from app screenshots by letting users upload inner and outer screen images, choose a device pose, and export a visual for product launches. The editor processes screenshots locally and runs on static hosting, and it produces iPhone Duo-style mockups without running iOS or being an Apple product.

Duo Studio — foldable phone mockups Duo Studio is an open-source, browser-based tool for creating foldable phone mockups and folding animations from app screenshots. Upload inner and outer screen images, choose a device pose, and export a visual for your product launch. Browser simulation previews websites that permit iframe embedding. The editor processes screenshots locally and runs on static hosting. Duo Studio creates iPhone Duo-style visual mockups; it does not run iOS and is not an Apple product. Read the guide /guide/ · Screenshot sizes & export specs /specs/ · 中文指南 /zh/guide/ · 中文规格页 /zh/specs/