A niche Claude-built app reached about $1,200 a month
A 20-year-old computer science and business student used Claude to build , an iOS app that shows how Donald Trump's posts affect the stock market. The listed costs were $95 for tokens, $50 in monthly API charges, $100 for access, and $300 for an outside developer, with nothing spent on paid ads.
About three months after launch, the app was reportedly earning around $1,200 a month as a side business. Because of concerns about security problems in , some of that income went toward hiring a developer to inspect and secure the product.
The service also receives one or two emails a week from people who find it genuinely useful. The main lesson is to solve a narrow, unusual problem that a few people will pay for instead of making another common habit tracker or fitness app.
Key points
- The app reportedly reached about $1,200 in monthly side income around three months after launch.
- Listed costs were $95 for tokens, a $50 monthly API bill, $100 for access, and $300 for a developer.
- No money was spent on .
- An outside developer was hired to check and improve the app's security.
- The practical advice is to start with a narrow problem that a small group will pay to solve.