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YesClaude · 7 Jan 2026

I built twelve iOS/Mac apps in two weeks with Opus 4.5 - four of them are already in the App Store

ben-gy on Hacker News

built twelve iOS/Mac apps in two weeks

In the thread “Opus 4.5 is not the normal AI agent experience that I have had thus far”

Helped: Handling entitlements, UI generation, refactoring, and edge cases for a non-Swift developer.

Got in the way: ASTM bi-directional communications due to lack of available codebases for this niche standard.

I second this article - I built twelve iOS/Mac apps in two weeks with Opus 4.5 - four of them are already in the App Store - I’m a Rails Engineer and never had the time to learn Swift but man does Opus 4.5 make that not even matter - it even handles entitlements, logo & splash screen generation, refactors to remove dead code, edge case assent and hardening, Multiplatform app design, and more - I’m yet to run into a use case it can’t handle for most general use cases - that …