10-Year iOS Veteran Builds First Personal App on Parental Leave Without Writing Code

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A decade-long iOS developer built his first personal app, AffirmCount, entirely through AI-generated code during parental leave, without writing or reviewing a single line himself. Because his background was primarily in WebView development, he felt unqualified to verify SwiftUI code, so he chose to validate outputs and results instead. One key challenge was handling Korean grammatical particles, where even minor differences could cause exact-match failures, which he solved by switching to an 85–90% similarity scoring threshold. The developer used an orchestrator-style AI workflow, with his earliest logged input being an instruction to an AI agent rather than any code. AffirmCount is now available on both the App Store and Google Play, with plans to integrate on-device AI in a future update.

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