I Built an App in 24 Hours Using AI - Here's What Happened

Fair warning: this post is going to be honest in a way that a lot of "I used AI to build X in Y hours" posts aren't. There will be no inspiring productivity claims, no screenshot of a finished product with a clean UI that took three hours of prompt iteration to actually look like that. I genuinely tried to build a working mobile app in 24 hours using AI as the primary builder. Here's what happened. The Setup I had an idea I'd been sitting on a simple habit tracker, nothing novel, but I wanted so