Build and Publish a Full-Stack Mobile App with AI

<p>Building a production-ready mobile application used to require a dedicated team of frontend, backend, and DevOps engineers. With modern AI tools, an individual developer can take an idea from concept to the App Store.</p> <p>In a comprehensive new tutorial published on the freeCodeCamp.org YouTube channel, you will learn how to build and publish CodexGram, a full-featured, Instagram-style social media application. Moving well beyond superficial "vibe coding," this course emphasizes deliberate planning, reproducible design prompting, robust backend integration, and strict adherence to App Store review standards.</p> <p>CodexGram is built using Expo (React Native) and TypeScript, styled with NativeWind (Tailwind CSS for React Native) and Expo’s liquid-glass Native Tabs. Key features include:</p> <ul> <li><p><strong>Authentication</strong><br>Google and Apple sign-in powered by Clerk.</p> </li> <li><p><strong>Real-Time Backend &amp; Storage</strong><br>A reactive database, image uploads, and live updates using Convex.</p> </li> <li><p><strong>Core Social Feed</strong><br>Photo uploads, captions, like/unlike toggles, threaded comments, and 24-hour stories with tap-to-advance and hold-to-pause interactions.</p> </li> <li><p><strong>Direct Messaging &amp; Explore</strong><br>Real-time 1-on-1 chats and a responsive grid for user discovery.</p> </li> <li><p><strong>Production Observability</strong><br>Crash tracking, structured logging, and in-app user feedback via Sentry.</p> </li> <li><p><strong>Legal &amp; Marketing Site</strong><br>A responsive landing page, terms of service, and privacy policy deployed to Cloudflare Pages.</p> </li> </ul> <p>Watch the full course on the <a href="https://youtu.be/bGALxRWI10A">freeCodeCamp.org YouTube channel</a> (3-hour watch).</p> <div class="embed-wrapper"><iframe width="560" height="315" src="https://www.youtube.com/embed/bGALxRWI10A" style="aspect-ratio: 16 / 9; width: 100%; height: auto;" title="YouTube video player" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen="" loading="lazy"></iframe></div>