Building mobile apps and web applications involves decisions about architecture, tools, and platforms that shape how your software works and what it can do. Whether you're starting your first project or expanding your technical skills, understanding the fundamentals of app development helps you choose the right approach for what you're trying to build. This covers the practical side of creating applications—the languages, frameworks, and design patterns that developers actually use.
The articles here answer questions like: what's the difference between native and cross-platform development, which programming languages make sense for different projects, how do you structure code so it stays maintainable, and what tools help you test and deploy your work. You'll find information about the tradeoffs between different approaches and how to think through the choices that affect your development process.