If you have nice, clean JSON then using Swift and Codable is like a dream come true. But what if you have messy JSON, or JSON where you really don’t know what you’ll receive ahead of time? In this art...

Learn Swift coding for iOS with these free tutorials

More concurrency changes example code from Swift 5.6

In this stream we're going to build a trivial game with SwiftUI, but then look at ways we can make it more interesting through difficulty variations – there's so much room to experiment!

Learn Swift coding for iOS with these free tutorials

The A* algorithm for path finding is not the perfect way to find an optimal route between two nodes in a graph, but it is either the best or darned close most of the time and that makes it a fantastic...

Learn Swift coding for iOS with these free tutorials

Lightweight same-type requirements for primary associated types example code from Swift 5.7

In this stream we're going to build a macOS app that helps you remember the digits of pi. The concept is simple, and a rough implementation is simple, but then we'll make it better!

In this stream we're going to build a macOS app that helps you remember the digits of pi. The concept is simple, and a rough implementation is simple, but then we'll make it better!

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Kickstart’s keyword tracking has had a huge upgrade, making it easier than ever to find winning keywords on the App Store.

In this stream we're going to build a small app for language learners, then add some upgrades to make it both more pretty and more useful.

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Get agent skills for Swift, SwiftUI, Swift Testing, and more

Apple’s UserDefaults system lets us store small amounts of user data for our app, which might sound simple but it’s deceptively powerful. In this article I’ll show you the correct way to create initia...

Learn Swift coding for iOS with these free tutorials

I'm doing some research on App Store keywords, and would appreciate it if you could enter the keywords your app uses below. Please DO NOT identify your app – no app name or subtitle! I do NOT want to ...

Unlock existentials for all protocols example code from Swift 5.7

Despite this game originally being made in the early 80s, Minesweeper remains as popular as ever. But can we make it wholly with SwiftUI? Of course we can!

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Here’s the least you need to know to get started with Swift.

Codable is the fastest and easiest way to store Swift objects, but what happens when your data types need to evolve to add extra information? In this tutorial I’ll show you the traditional way this is...

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Learn Swift coding for iOS with these free tutorials

Structural opaque result types example code from Swift 5.7

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Seven free browser tools and guides for improving your App Store keywords, pricing, metadata, reviews, screenshots, icons, and press kit.

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Kickstart is the Mac app for tracking App Store keywords, optimizing Apple Ads, understanding reviews and analytics, and growing your app.

Write faster, simpler, safer Swift code with this powerful open-source package.

A practical workflow for triaging TestFlight crashes and screenshot feedback, prioritizing serious bugs, and turning useful reports into actionable tasks.

Assertions allow us to have Swift silently check the state of our program at runtime, but if you want to get them right you need to understand some intricacies. In this article I’ll walk you through t...

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How to recruit TestFlight testers who respond, give them tasks instead of builds, write What to Test notes that get read, and know when to ship.

Formalize ‘language mode’ terminology example code from Swift 6.1

This month we're going to make another game, and it's one that been rattling around my head for so long that I'm glad to finally be able to share it with you!

Six free ways to get your app in front of more people, and how much time each one actually takes.

Learn Swift coding for iOS with these free tutorials

They’re like super-charged value types.

Apple offer codes can associate redemption activity with a campaign. Here’s how subscription and in-app purchase codes differ, and how to distribute them safely.

Boxing allows us to wrap up a struct in a class, to make it easy to share in several places. I’ve touched on boxing briefly previously, but here I want to take the concept much further to add useful p...

Learn Swift coding for iOS with these free tutorials

Your app shows ads for other indie apps, and every two shown earn one view of yours. Free, with no user tracking.

Kickstart Exchange is a free cross-promotion service for indie apps – here’s how to get started today!

Concurrency in top-level code example code from Swift 5.7

Your app shows ads for other indie apps, and every two shown earn one view of yours. Free, with no user tracking.