AI Tools Accelerate Custom App Development

A writer tested OpenAI's Codex recently and says it built the core functionality of a Mac app in under 15 minutes, starting from an empty folder. As companies including OpenAI, Anthropic, and Apple improve coding assistants and add agent support in Xcode, the article argues this could simplify custom app creation, threaten low-quality single-purpose apps, and shift how independent developers build and release software.