For HWS+ subscribers: Adding constraints to a generic function might sound like it limits what you can do, but it actually unlocks more functionality, and it lets the compiler use static dispatch to generate faster code. www.hackingwithswift.com/plus/interme...

Understanding generics – part 1 – Hacking with Swift+

Generics are one of the most powerful features of Swift, allowing us to write code once and reuse it in many ways. In this article we’ll explore how they work, why adding constraints actually helps us...

hackingwithswift.com

A useful collection of SwiftData performance tips - smarter predicates, prefetching relationships, batch inserts on background actors, and when to use external storage for binary data. www.hackingwithswift.com/quick-start/...

🔥 New on the Kickstart blog: How to choose App Store keywords – a complete 7-step pipeline. A practical App Store keyword research pipeline using seed keywords, autocomplete, competitor analysis, and keyword difficulty scoring to build your keyword field. www.kickstart.tools/blog/how-to-...

How to choose App Store keywords: a complete 7-step pipeline

A practical App Store keyword research pipeline using seed keywords, autocomplete, competitor analysis, and keyword difficulty scoring to build your 100-character keyword field.

kickstart.tools

Tired of telling Swift things it already knows? You can drop the of: parameter from withTaskGroup() entirely - Swift infers the child task result type from how you use it. Less boilerplate, same behaviour. www.hackingwithswift.com/swift/6.1/ch...

Sunday Build with HWS+: Build a full clone of Apple News's Quartiles word game in SwiftUI, where players combine letter tiles to spell words with increasing point values. #SundayBuild www.hackingwithswift.com/plus/live-st...

Quartet – Hacking with Swift+

We're going to build a clone of the Apple News game Quartiles, entirely in SwiftUI. There's a lot to explore, so let's get straight into it!

hackingwithswift.com

Sometimes your timeline just needs a big white cloud with paws.

New on the Kickstart blog: How to pick your next app idea – the 10 → 3 → 1 funnel. Collect ten app ideas, make them fight through elimination rounds, and ship the one survivor – it's a complete system for choosing what to build next! www.kickstart.tools/blog/how-to-...

How to pick your next app idea: the 10 → 3 → 1 funnel

Collect ten app ideas, make them fight through elimination rounds, and ship the one survivor – a complete system for choosing what to build next.

kickstart.tools

For HWS+ subscribers: Swift doesn't have a spaceship operator, but building one is a great way to explore operator overloading and see why ComparisonResult beats a magic number return value. www.hackingwithswift.com/plus/interme...

Creating a spaceship operator – Hacking with Swift+

When it comes to learning operator overloading, there is one operator that Swift lacks, that many other languages have, and is genuinely useful. In this article I’ll show you how to build the spaceshi...

hackingwithswift.com

CGRect has built-in methods for intersection, insets, offsets, affine transforms, and even splitting a rect in two - yet most developers end up writing that math by hand. www.hackingwithswift.com/articles/103...

Seven useful methods from CGRect

Insetting, offsetting, transformation, and more!

hackingwithswift.com

New on the Kickstart blog: Mac App Store optimization – the definitive guide. No Apple Ads, no A/B tests, and no custom product pages? Here’s how Mac App Store optimization actually works, and what replaces the missing iOS toolkit. www.kickstart.tools/blog/mac-app...

Mac App Store optimization: the definitive guide

No Apple Ads, no A/B tests, and no custom product pages? Here’s how Mac App Store optimization actually works, and what replaces the missing iOS toolkit.

kickstart.tools

For HWS+ subscribers: If a SwiftUI shadow is applying to each subview individually rather than the whole view, .compositingGroup() is the one-liner fix. www.hackingwithswift.com/plus/learn-s...

Flattening rendering using compositing groups – Hacking with Swift+

Sometimes SwiftUI’s rendering system doesn’t quite behave the way you might want, but often you can fix things with a single modifier: compositingGroup(). Let’s dig into what it does…

hackingwithswift.com

You can't send SwiftData model objects between actors - only ModelContainer and PersistentIdentifier are sendable. Pass the ID, load it locally on the other actor, and you're good! www.hackingwithswift.com/quick-start/...

New on the Kickstart blog: What kills apps, and why it *isn’t* being Sherlocked. Apple added Dark Noise’s core job to iOS, and the app still earns over $4,700 a month. Sherlocking is a real risk, but it isn’t an automatic death sentence! www.kickstart.tools/blog/what-ki...

What kills apps, and why it isn’t being Sherlocked

Apple added Dark Noise’s core job to iOS, and the app still earns over $4,700 a month. Sherlocking is a real risk, but it isn’t an automatic death sentence.

kickstart.tools

Noncopyable types got a *serious* upgrade: generics support, protocol conformances, partial consumption, and pattern matching with where. They finally feel like first-class citizens. www.hackingwithswift.com/swift/6.0/no...

Sunday Build with HWS+: Apple's Translation framework makes it almost trivially easy to translate text in SwiftUI. This app takes it further, translating into multiple languages and exporting strings ready for Xcode. #SundayBuild www.hackingwithswift.com/plus/live-st...

AutoTranslate – Hacking with Swift+

We're going to build an app that translates English into multiple other languages, then exports it ready for Xcode to use in localizations.

hackingwithswift.com

New on the Kickstart blog: How to make an app press kit journalists actually open. The exact anatomy of a press kit that gets your app covered – the fact sheet, the images journalists use, and a complete template to copy! www.kickstart.tools/blog/how-to-...

How to make an app press kit journalists actually open

The exact anatomy of a press kit that gets your app covered – the fact sheet, the images journalists use, and a complete template to copy.

kickstart.tools

When label icons have varying widths, text alignment gets uneven. The labelReservedIconWidth() modifier reserves consistent space so everything lines up neatly. www.hackingwithswift.com/quick-start/...

Did you know calling a method on a protocol-typed variable can give you a different result than calling it on the concrete type? Protocol composition, extension traps, and conflict resolution all covered here. www.hackingwithswift.com/articles/138...

Swift Protocols: Tips and Tricks

Discover the power of Swift protocols with hands-on examples.

hackingwithswift.com

💰 New on the Kickstart blog: How to price an app with the coffee test. Price your app against what people already buy – the coffee test, an annual-price hypothesis, and four questions that help find your price band. www.kickstart.tools/blog/how-to-...

How to price an app: the coffee test

Price your app against what people already buy – the coffee test, an annual-price hypothesis, and four questions that help find your price band.

kickstart.tools

For HWS+ subscribers: A breakpoint that plays a sound and continues automatically is a surprisingly effective way to monitor SwiftUI redraws without ever pausing your app. www.hackingwithswift.com/plus/learn-s...

Smarter breakpoints – Hacking with Swift+

Although using print() calls is often the first thing we reach for when diagnosing a problem, let me walk you through a handful of smarter ways to debug your code with breakpoints.

hackingwithswift.com

Want to ship your app with pre-loaded data? The recommended approach is to build the SwiftData store ahead of time and bundle it in. There's a catch though - you'll need a small amount of Core Data to disable write-ahead logging first. www.hackingwithswift.com/quick-start/...

Unwrapping an optional into a variable of the same name used to require if let name = name. The shorthand if let name does the same job with less noise. Small change, big quality of life improvement. www.hackingwithswift.com/swift/5.7/if...

New on the Kickstart blog: When to call requestReview() – Apple’s rules and the timing that works. Apple limits how often review prompts appear and now gives clear guidance for using them, so here’s how to ask respectfully after a meaningful success. www.kickstart.tools/blog/when-to...

When to call requestReview(): Apple’s rules and the timing that works

Apple limits how often review prompts appear and now gives clear guidance for using them – here’s how to ask respectfully after a meaningful success.

kickstart.tools

Sunday Build with HWS+: Wanted! Build a fun little app that creates custom "Wanted" posters from user input, complete with a weathered paper texture and easy sharing. 🤠 #SundayBuild www.hackingwithswift.com/plus/live-st...

Wanted! – Hacking with Swift+

We're going to build a fun little app that creates a custom "Wanted" poster based on user input, letting users export their finished product for sharing. Let's get to it!

hackingwithswift.com

New on the Kickstart blog: The ultimate indie iOS app launch checklist! A complete app launch checklist for indie iOS developers – all the key tasks from 45 days before launch to 60 days after. www.kickstart.tools/blog/the-ult...

The ultimate indie iOS app launch checklist

A complete app launch checklist for indie iOS developers – all the key tasks from 45 days before launch to 60 days after.

kickstart.tools

Kickstart had almost 3,000 downloads in week one, reached #2 in the Mac App Store Developer chart, and I’ve shipped three updates since. The mistake? I still haven’t contacted the press about it 🫠 Here’s my launch retrospective – learn from my mistakes! www.kickstart.tools/blog/kicksta...

Kickstart: launch retrospective

Two months after Kickstart launched, here’s what went well, what I’d change, and what’s coming next.

kickstart.tools

Sunday Build with HWS+: Read your App Store Connect data directly from a macOS app, including apps, customer reviews, and more. It takes some careful JWT networking, but there's a lot to learn. #SundayBuild www.hackingwithswift.com/plus/live-st...

ShipShape – Hacking with Swift+

We're going to build an app that lets developers read data from App Store Connect – the apps they have, customer reviews, and more. This is going to require some careful networking, but there's lots t...

hackingwithswift.com

Bold, italic, strikethrough, monospaced, and tappable links - SwiftUI's Text view renders Markdown with zero extra setup. www.hackingwithswift.com/quick-start/...

Swift's string interpolation is way more powerful than most people realize - you can add custom appendInterpolation() methods to format numbers, build HTML, or even construct entirely new types from string syntax. www.hackingwithswift.com/articles/163...

How to use custom string interpolation

Control how types look in strings, or create them from scratch.

hackingwithswift.com

For HWS+ subscribers: print() is everyone's first debugging tool, but dump() gives you a full recursive hierarchy of any object's contents, even for classes. www.hackingwithswift.com/plus/learn-s...

Printing vs dumping – Hacking with Swift+

Everyone knows the print() function, not least because it's often our first port of call when debugging. But printing in Swift can be so much more powerful! Let's dig in…

hackingwithswift.com