Everyone has a mobile phone, but how does an app actually get onto it? This is a beginner-friendly tour of the mobile world, whether you write code or not. We start with a simple question: why do we even need mobile apps when the web is right there? From there we follow an app on its journey to the customer and watch the friction you may face, from a web page you can ship in minutes, to a desktop app, to the app stores where going live is a real challenge. Then the interesting part. How you actually build for mobile, native versus cross-platform like Flutter and React Native, and a question my colleague Callum put to me: if AI can write the code now, do we still need cross-platform frameworks at all? We will work through that together. You will leave knowing how mobile development really works, and a curiosity to explore Mobile development