Where the world learns Swift.
With more free Swift tutorials than any other site, Hacking with Swift will help you learn app development with SwiftUI and UIKit. Search the site, or choose a learning path below.
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Chris Lattner, creator of Swift
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Latest Articles
NEWS
Agent skills in Xcode: How to install and use them today
If you’re building apps with agents such as Codex or Claude, this article is for you – I’m going to show you to use agent skills to make them smarter, so they write better code, faster.
NEWS
SwiftUI Agent Skill - Write better code with Claude, Codex, and other AI tools
If you’re writing SwiftUI with AI coding agents like Claude Code, Codex, or Gemini, I’ve written an open-source SwiftUI agent skill that helps identify and fix common mistakes they make when writing SwiftUI – things like modern API usage, performance, accessibility, and more.
TIPS
What to fix in AI-generated Swift code
Building apps in Swift and SwiftUI isn’t quite as easy for AI tools as other platforms, partly because our language and frameworks evolve rapidly, partly because languages such as Python and JavaScript have a larger codebase to learn from, and partly also because AI tools struggle with Swift concurrency as much as everyone else.
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“The projects in this course are created in a way to expose you to real-world code – very practical and extensible! Highly recommended.”
Marc Aupont on Hacking with Swift
“Just finished reading Swift Design Patterns. It's awesome, just like other books by Paul. It helped me a lot to understand some iOS aspects deeply.”
Anton Novoselov on Swift Design Patterns
“Paul's is a warranty of quality. He writes books at a speed that always surprises me for its timing and effectiveness. This book represents all that!”
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“I'm a huge fan of Paul Hudson – more than an in-depth source of technical information, its super easy to understand and learning from him is inspiring!”
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“Paul Hudson is a Swift community treasure. I regularly turn to Pro Swift and Paul's other books for reference and inspiration. Thank you!”
John Gallaugher on Pro Swift
“I love the work Paul does. He has a real talent for making complex topics obtainable, fun, and engaging!”
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“The entire Hacking with Swift series is great! Swift Coding Challenges forces me to think abstractly and dig into the code more than ever.”
Dan O’Leary on Swift Coding Challenges
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Jimmy McDermott on Server-Side Swift
“Everything that you need, nothing that you don't. Paul does a great job of explaining even the most advanced concepts in an easy to understand manner.”
Zach Fuller on Pro Swift
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About Me
My name is Paul Hudson, and I wrote Hacking with Swift to help you learn to make apps for iOS, macOS, watchOS, and more.
On this site you can find my free Swift tutorials, lots of other awesome Swift books I wrote, a huge collection of Swift example code, plus Swift news, tips, and tutorials to help take your learning further.
I've already helped thousands of people to learn Swift coding, and I'd love to help you too. Feel free to get in touch if you have questions – you can email me at paul@hackingwithswift.com or tweet me @twostraws.
