Flutter Web + PWA: Why Add to Home Screen Gives You a Full-Screen App

I added a Flutter Web app to my phone's home screen, expecting a glorified bookmark. Instead, it launched full-screen — no browser chrome, no URL bar, just the app. It looked and felt like a native app. If you've never seen this happen, it's a genuine "wait, what?" moment. Here's exactly how it works and why Flutter is uniquely well-positioned for this. PWA: The Web Standard Flutter Rides On The full-screen behavior isn't actually Flutter magic — it's a Progressive Web App (PWA) feature that any website can use. The key ingredient is a manifest.json file: { "name" : "My Flutter App" , "short_name" : "MyApp" , "start_url" : "/" , "display" : "standalone" , "background_color" : "#ffffff" , "theme_color" : "#2196F3" } The "display": "standalone" line is what removes the browser chrome. When a user adds a standalone PWA to their home screen, the OS launches it in its own window — no address bar, no tabs, no navigation buttons. Flutter Web automatically generates this manifest. When you run