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DayOne combines two things no other builder has together:
1. 150 validated startup ideas — each with real market research, TAM, competitor analysis, and a full business plan
2. An AI builder that generates a full multi-page React app in ~2 minutes from a single sentence
Pick an idea, build the app, publish to a live URL. Free during beta.
Built solo by a 19 year old from Dallas, studying abroad in Florence Italy.
DayOne AppFrom startup idea to live app in 2 minutes
stone sargentleft a comment
Hey Product Hunt! I'm Stone, 19, built DayOne solo while studying abroad in Florence Italy. The problem I kept seeing: founders spend months building things nobody wants. So I spent 2 months validating 150 startup ideas and building an AI that turns them into working apps in minutes. Would love brutal honest feedback from this community. What would make this actually useful for you?
DayOne AppFrom startup idea to live app in 2 minutes