AppMockUp Studio 

What it does

AppMockUp Studio is a design tool for creating app screenshots for the App Store and Google Play Store.

• 
  AppMockUp2019 · ▲400

  Create the most compelling screenshots for your app.

• 
  App Screenshot Builder2015 · launchkit.io · ▲620

  Create gorgeous images for your App Store page in minutes

• 
  Screenshot Studio2024 · appstorescreenshotstudio.com · ▲407

  App Store screenshot maker

• 
  Smartmockups App2016 · smartmockups.com · ▲552

  Create stunning product screenshots in seconds!

• 
  Smartmockups App 2.02017 · app.smartmockups.com · ▲343

  Create stunning product screenshots without using Photoshop

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  Smartmockups2016 · canva.com · ▲551

  Create product screenshots with just a few clicks, for free

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  I realized that the PDF engines of modern desktop browsers (PDFium and PDF.js) support JavaScript with enough I/O primitives to make a basic game like Tetris. It was a bit tricky to find a union of features that work in both engines, but in the end it turns out that showing/hiding annotation "fields" works well to make monochrome pixels, and keyboard input can be achieved by typing in a text input box. All in all it's quite janky but a nice reminder of how general purpose PDF scripting can be. The linked PDF is all ASCII so you can just open it in a text editor, or have a look at…

  Life & fun · 2025 · th0mas.nl

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  21st.dev▲1,211

  I originally built this app to organize and reuse interesting React + Tailwind components I came across on Twitter, inspired by the shadcn/ui approach. Later, a friend started contributing their own components, and it got me thinking—this could grow into something bigger, like an NPM for design engineers to share and use components. Would love to hear your thoughts!

  Dev tools · 2025 · 21st.dev

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  Lovable + Builder.io▲873

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