How Do I Learn Swift?
- May 22, 2025
- 5 min read
Updated: Jul 21
How Do I Learn Swift?
One of the most common questions asked by aspiring iOS developers is surprisingly simple:
How do I actually learn Swift?
The good news is that there has never been a better time to learn the language. Apple provides excellent documentation, the Swift community has created thousands of tutorials, and there are enough courses, books, videos, and projects available online to keep most developers busy for years. The challenge is no longer finding resources. The challenge is choosing the right resources and following them in a sensible order.
Many beginners accidentally make learning harder than it needs to be by jumping randomly between YouTube videos, blog posts, AI tools, courses, and frameworks. They spend one day studying SwiftUI, another day watching an architecture tutorial, and a third day trying to understand concurrency before they have become comfortable with the language itself. A structured approach tends to produce far better results.
Start With The Swift Language
Before worrying about iPhone applications, SwiftUI, networking, architecture, or publishing to the App Store, spend time learning the language itself.
Swift is the foundation upon which everything else is built. Frameworks come and go. SwiftUI evolves every year. New APIs appear. The language remains at the centre of the ecosystem.
Developers who understand Swift generally find it easier to learn frameworks than developers who focus entirely on frameworks while neglecting the language.
The best place to begin is Apple's official Swift book:
Do not feel pressured to read the entire book immediately. Focus on understanding variables, constants, functions, collections, structures, enumerations, optionals, and basic control flow. These concepts appear repeatedly throughout Swift development and form the foundation of almost everything you will build later.
Install Xcode And Write Code Immediately
One mistake many beginners make is spending too much time reading and not enough time writing code.
Install Xcode as early as possible:
As you encounter examples, type them yourself. Modify them. Introduce mistakes deliberately. Observe the compiler errors. Change values and experiment with behaviour.
Programming is a practical skill, and understanding develops much faster when concepts are tested directly rather than simply read about.
This is one reason Xcode playgrounds are so valuable. They allow developers to experiment with Swift in a lightweight environment without needing to create a full application.
Follow A Structured Learning Resource
While documentation is essential, most people benefit from following a structured course alongside it.
One of the most respected resources in the Swift community is Hacking with Swift:
Paul Hudson's 100 Days of SwiftUI remains one of the most frequently recommended learning paths available today:
The course combines language fundamentals with practical projects, allowing developers to see how Swift is applied in real applications rather than learning concepts in isolation.
Other excellent beginner resources include:
Each approaches Swift from a slightly different angle, which can be useful because different teaching styles resonate with different people.
Learn SwiftUI After Learning Swift
A common misconception is that SwiftUI should be the starting point.
In reality, SwiftUI becomes much easier to understand once the underlying language feels comfortable. Concepts such as property wrappers, structures, protocols, closures, generics, and value semantics appear throughout SwiftUI. Developers who understand these topics often find that SwiftUI begins making much more sense because they already understand the building blocks being used.
Apple's official SwiftUI tutorials are an excellent place to start:
These tutorials introduce navigation, state management, data flow, and user interface construction using Apple's modern framework.
Use Video Courses If They Help You Learn
Some developers learn best through reading. Others learn best through video content.
One of the most popular Swift courses available anywhere is Dr Angela Yu's Complete iOS App Development Bootcamp:
The course has introduced many developers to Swift and continues to be recommended throughout the community. Structured video courses can be particularly useful because they provide a clear progression rather than requiring beginners to decide what to study next.
The most important thing is consistency. The specific resource matters far less than actually completing it.
Join The Swift Community
Learning becomes easier when you spend time around other developers.
Useful community resources include:
These communities provide opportunities to ask questions, discuss ideas, learn about new developments, and see how experienced developers approach problems. They also help remind you that everyone encounters challenges while learning. Even senior developers spend significant amounts of time reading documentation and researching solutions.
Build Projects Earlier Than You Think
Many beginners wait until they feel ready before building something.
Unfortunately, that moment rarely arrives.
Projects are where learning becomes real because they force you to combine multiple concepts simultaneously. A small to-do list application, habit tracker, expense tracker, calculator, or weather application will teach more than weeks of passive reading because real projects expose gaps in understanding that tutorials often hide.
The objective is not perfection.
The objective is experience.
Every project teaches something useful.
Where Does 3DaysOfSwift Fit?
Interestingly, I would not recommend that complete beginners start with 3DaysOfSwift.
The best beginner resources are often Apple's Swift book, Apple's SwiftUI tutorials, Hacking with Swift, Stanford CS193p, Coding with Chris, Kodeco, and Angela Yu's courses. These resources are specifically designed to teach Swift from the ground up and help developers build their first applications.
3DaysOfSwift was created for a slightly different stage of the journey.
After developers have spent months or years learning Swift, a new challenge often appears.
Language features such as protocols, closures, generics, ARC, concurrency, actors, property wrappers, and value semantics become less familiar simply because they have not been revisited recently. This becomes particularly noticeable during interview preparation or when applying for more senior roles.
To help address this problem, 3DaysOfSwift provides more than 40 downloadable Xcode playgrounds covering 29 Swift language features and concepts commonly discussed throughout professional iOS development and technical interviews. The platform focuses heavily on studying and revising Swift through executable examples inside Xcode rather than teaching the language from the very beginning.
You can explore the platform here:
Final Thoughts
Learning Swift is not about finding a secret course or a perfect tutorial. The developers who make the most progress usually combine high-quality resources with consistent practice, regular experimentation, and a willingness to build projects before they feel completely ready. The Swift community has produced an incredible collection of learning materials, and there has never been a better time to begin exploring the language.
Most successful iOS developers started exactly where you are now: opening Xcode, writing their first lines of Swift, making mistakes, and gradually improving one concept at a time.
Good luck.
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