<p><b>Startup description</b></p><p>It helps users identify rocks, minerals, and crystals using AI from photos.We started it to make geology learning easy and accessible for everyone.</p><p><b>Key highlights:<b></b></b></p><ul> <li>ARR: $727(projected)</li> <li>Annual profit: $546(projected)</li> <li>Lifetime revenue $225</li> <li>MRR: $60</li> </ul> <p><b>Team</b></p><p>One developer handles everything. They design, develop, maintain, and improve the app.</p><p><b>Tech Stack</b></p><p>NestJS (Typescript), SwiftUI, Digital Ocean Droplet (Ubuntu Server).</p><p><b>Return on investment</b></p><p>Payback period is about 4 years.($2,200 ÷ $546 annual profit).</p><p>Buyers can recover faster by growing subscriptions, improving ASO, and increasing prices or conversion rates.</p><p><b>Startup assets<b></b></b></p><ul> <li>NestJS Typescript API Project Source Code</li> <li>XCode SwiftUI Source Code</li> <li>iOS app published on the App Store.</li> </ul> <p><b>Risks</b></p><p>Revenue may drop due to market competition or app store changes. AI accuracy issues can affect user trust. Platform policy updates may impact visibility or monetization.</p><p>Buyers can minimize risks by using best AI model, listening to user feedback, diversifying marketing channels, and keeping the app updated with store guidelines.</p><p><b>Summary</b></p><p>It is a proven app with real revenue and profit.The payback period is clear and predictable. It is fully built and maintained by one developer. There is strong growth potential with marketing and new features.</p><p>✅ $225 in ARR</p><p>✅ 4 customers</p><p>✅ Business model: SaaS</p><p>✅ Built with TypeScript, SwiftUI</p>