This week's SwiftLee Weekly covers: Codex Skills for iOS Development Replay network requests inside Swift Tests LLM improvements 12 months later Enjoy this week's SwiftLee Weekly and Happy New Year! THIS WEEK'S BLOG POST Icon Composer: Transforming an AI-generated icon What do you do when you have a custom ChatGPT project for a new app idea and you need an app icon? You ask it to generate the app icon for you! I did so too, and I was happy with the result at first. That was until I found out...
8 days ago • 5 min read
This week's SwiftLee Weekly covers: The importance of being your own end user SwiftLee in 2025: A year in review NSSpain Conference videos! Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST SwiftLee in 2025: A full year as an indie developer It's that time of the year: reflecting on milestones and achievements. I can't believe the year is already coming to an end, but looking back, I'm fulfilled. In this week's article, I'm sharing my highlights and I look forward to future milestones....
15 days ago • 5 min read
This week's SwiftLee Weekly covers: SwiftAgents Giving your agents eyes Stretchable headers in SwiftUI Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST From App Idea to 10K MRR – YouTube Series How do you know whether you're building the right app idea? Which decisions do you need to make to get it to 10K Monthly Recurring Revenue (MRR)? That's exactly what I'm going to show in this new YouTube series. SPONSORED RocketSim: Build iOS apps up to 2x faster with enhanced Xcode Simulator...
22 days ago • 4 min read
This week's SwiftLee Weekly covers: From App Idea to 10K MRR SwiftUI Group being harmful? Swift Configuration 1.0 Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST 9 months of a Swift Concurrency Course March this year, I launched the Swift Concurrency course. It developed way faster than I expected, mostly due to the many changes we got during WWDC. In this article, I'm reflecing on 9-months of publishing concurrency lessons. Primary reason for writing this article: I'm doing a...
29 days ago • 5 min read
This week's SwiftLee Weekly covers: Copycat apps and App Store Guidelines Getting your talk accepted at conferences AI-power App Metric Insights Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Battery life on iOS and the impact of killing apps You've probably been annoyed by it a lot: iOS users that swipe up and kill all their running apps. I've decided to clear this up once and for all and make it clear that it doesn't necessarily improve your battery life. If needed, you can also...
about 1 month ago • 5 min read
This week's SwiftLee Weekly covers: Teaching AI to read Xcode builds The Transferable protocol Swift Package Scripts Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST The 7 changes I do for every new Xcode project I bet you recognize: you start a new project, and you immediately apply a few changes. It's at least what I like to do and I decided to capture that process and share it with you. SPONSORED Full iOS coverage. Fast If your test suite is missing critical flows or isn’t up to...
about 1 month ago • 4 min read
This week's SwiftLee Weekly covers: Black Friday discounts Using @Observable with UIKit A SwiftData change you might not have noticed Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST Black Friday: SwiftLee Courses & RocketSim It's that time of year where many products provide Black Friday discounts! Call it cyber week, cyber-something, but I've joined the trend and share the discounts for RocketSim and my courses. SPONSORED iOS auth eating your time? Clerk’s SwiftUI SDK drops sign-in,...
about 2 months ago • 4 min read
This week's SwiftLee Weekly covers: Approachable Concurrency Xcode Instruments & suspension points Two defeated conference challenges Enjoy this week's SwiftLee Weekly! Next week, I'm dropping my Black Friday sales. Click here if you want to receive the deals this monday in your inbox. THIS WEEK'S BLOG POST Approachable Concurrency in Swift 6.2: A Clear Guide After giving my talk at Do iOS and Pragma Conf, it's time to give you the same learnings in both an article and video. Approachable...
about 2 months ago • 6 min read
This week's SwiftLee Weekly covers: From App Idea to 10K MRR From Swift to Mojo One Swift mistake... Enjoy this week's SwiftLee Weekly! THIS WEEK'S BLOG POST MainActorMessage & AsyncMessage: Concurrency-safe notifications A few warnings were hard to get rid off when migrating to strict concurrency. One of those were notifications, which are tightly connected to GCD dispatch queues. With the new API discussed in this article, you'll be able to post and observe notifications on specific...
2 months ago • 5 min read