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Comment by Jonovono | Hacker News Reader

I had Claude Code build a fairly complex swiftui app (5+ screens), using Firebase AI Logic and other packages. First prompt it got pretty much foundation for the entire thing set up, then over the next day got it working exactly like I wanted. The thing that took the longest was getting through app review. I was impressed how well it knew SwiftUI and Swift composable architecture.

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For my iOS project, I am super curious to what extent is it my lack of swift knowledge and e.g. how well I can prompt? Because 80% of what I usually ask the LLM to do, I know how to do myself quite well. iOS is the first time I've been coding with something I do not know how to do well, I often can barely read the code (of course that is changing rapidly now). e.g. from a recent session:

> What is the idiom for testing the launch screen on the simulator like.. I don't see anything? How do I know if its there.

i.e. in iOS / Swift, I don't even know if I'm using the right terms for the code I am trying to interrogate, or in some cases even what the thing is!

I have done lots of SwiftUI before, so it may have helped me recognize when it goes off the rails. But I definitely don't do anything fancy with my prompting.

But for stuff like TCA (Swift composable architecture), I basically created a TCA.md file and pasted in a bunch of docs and examples and would reference that.

But for the most part, it was one shotting swiftui screens that were nicer than what I had in my mind.

Apple store link (I believe you, just am curious)? I'm toying with the idea of "vibing" a real Swift app instead of messing with the React Native toolchain.

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