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With vibe coding on the rise, more people are shipping their first app. But design guideline violations are the 3rd most common rejection reason. appkit solves this in 3 steps: Upload your screenshots Pick background, captions & device mockups Download all 8 sizes as ZIP Supports both App Store & Google Play. Free, no login, no watermark, 100% browser-basedsee more

Design ToolsProductivityDeveloper Tools
Mar 5, 2026

Founder

Uunknown

Screenshots

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About

Launching a new app into the crowded digital marketplace is an incredibly exciting milestone, but getting those crucial first impressions right on the App Store and Google Play can feel like navigating a maze of strict design guidelines. We all know that a visually stunning, compliant screenshot set is the difference between a curious tap and an immediate scroll past. That’s where appkit steps in, designed specifically to eliminate the headache of manual resizing, framing, and compliance checks. Forget spending hours wrestling with complex graphic design software just to get those eight required sizes perfect. appkit streamlines this entire process into three incredibly simple, intuitive steps. You upload your raw screenshots, choose a background that complements your app’s aesthetic, select compelling caption text to highlight key features, and pick the appropriate device mockups that instantly lend credibility and context. It’s about taking the technical burden of presentation off your shoulders so you can focus your energy where it truly belongs: refining your amazing application itself.

What makes appkit a game changer for developers and small teams is its commitment to speed, simplicity, and absolute freedom. We understand that when you’re moving fast, you need tools that keep pace without creating new administrative roadblocks. That is why appkit is completely free to use, requires absolutely no login or account creation to start generating professional assets, and delivers results without any intrusive watermarks. Whether you are targeting iOS users or Android enthusiasts, appkit handles the specific dimensional requirements for both major platforms simultaneously. In mere seconds, you receive a perfectly packaged ZIP file containing all eight necessary screenshots, ready for immediate submission or promotional use. This isn't just a tool; it's your instant compliance officer and professional presentation designer rolled into one, ensuring your hard work gets the polished showcase it deserves right from day one, making your app look like it was built by a seasoned design team.