Flo writes Code
@FloWritesCode

I've taught iOS development to 20,000+ people. Helping indies ship with launchbuddy.app

 Germany
flowritesco.de
Joined April 2021
1,415 Photos and videos
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SwiftUI for iPhone Duo

Preparing Your SwiftUI App for iPhone Duo Apple’s new foldable iPhone is another reminder of something I’ve been preaching for years: don’t fight the framework. If your app already uses adaptive
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Getting Started with ASO

App Store Optimization gets treated like a mysterious dark art, but it really isn't. Even with Apple's June 2025 updates shaking things up - the "new apps" launch-week boost got pulled, then quietly

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I 6x'd My App's Conversion Rate By Changing One Thing

This is a real A/B test I ran on the App Store page for my app, LaunchBuddy — and the treatment ended up performing 621% better than the original. That is not a typo. Six hundred and twenty one

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AI on iOS: State of Affairs before WWDC26

WWDC26 is just around the corner, and we're all expecting major AI-related announcements. The rumors are talking about better on-device models, a Gemini-based cloud model, and - of course - the Siri

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LaunchBuddy ❤️ App Store Connect

Believe it or not, but this was in my original MVP scope! I wanted to bring an ASC integration to LaunchBuddy from the very start, but never figured out how to approach it - I didn't want LaunchBuddy
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Stop Using Padding Everywhere

Padding is one of my most-used ViewModifiers. In these 3 situations I prefer better alternatives. Don't get me wrong, it's totally fine to use .padding(). I use it a lot as well! And in the first few

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Introduction to SwiftData

The Swift-first solution for on-device persistance in SwiftUI. For over a decade, CoreData was the go-to first-party solution for on-device persistence. The framework also supports CloudKit, allowing

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You're Holding SwiftUI Wrong

As with many "computer problems", the real problem is usually in front of the screen. This year, I decided to post an April fools joke on X that hit right home for quite a few people:

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AppIntents meet MCP

While AppIntents is mainly used to let Siri talk to your apps, the SwiftMCP package let's it talk to other LLMs as well. AppIntents is a framework first released in iOS 16 to let Siri talk to your

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Stop Using ObservableObject

ObservableObject introduces side effects and performance problems, but there's an alternative. ObservableObject used to be "the only" solution to build ViewModels and other data sources for SwiftUI

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