Apps are programs you use on phones, tablets, and computers—from messaging and banking to games and weather forecasts. This category explains how apps actually get built, what happens when you tap a button, and why apps behave the way they do. Understanding these basics helps you see why certain features exist, how your data moves around, and what developers have to think about when creating something you use every day.
The articles here answer questions like: What's the difference between an app and a website? Why do some apps need permission to access your camera or location? How do developers test apps before releasing them? What makes an app crash, and why do updates sometimes change how things work? You'll learn the practical reasons behind the technical choices that shape your experience.