<p><b>Startup description</b></p><p>My product is an AI-powered stamp identifier for iPhone.</p><p>The idea is simple: take a photo of a stamp and the app tries to identify it, give you useful information about it, estimate its value, and help you save it into your personal collection.</p><p>I started it as an indie project because stamp identification felt like a perfect use case for modern image AI. There are huge amounts of stamps in private collections, inherited albums, flea market finds and old boxes, but figuring out what a specific stamp actually is can still involve a lot of manual research.</p><p>I wanted to make that process much easier.</p><p>Instead of searching through catalogs or websites, you photograph the stamp and get a result directly on your phone.</p><p>Over time, I expanded the app beyond identification. Users can now build their own digital stamp collection, organize stamps, save information, track estimated values, sync data through iCloud and export their collection.</p><p>The app is currently available for iPhone and iPad.</p><p><b>Business model:</b> subscriptions + lifetime purchase.</p><p><b>Key highlights</b></p><p>There are no employees, offices, inventory, logistics or complicated operations behind it.</p><p>The main value of the project is the existing product and infrastructure:</p><ul> <li>Finished native iOS app</li> <li>Existing App Store listing</li> <li>Existing users and customers</li> <li>Working subscription system</li> <li>AI stamp identification</li> <li>AI-assisted value estimation</li> <li>Digital stamp collection</li> <li>iCloud synchronization</li> <li>PDF and CSV export</li> <li>Existing website</li> <li>Brand and App Store assets</li> <li>Existing codebase</li> </ul> <p>The app has already gone through many iterations, so a buyer would not be starting with an MVP or unfinished prototype.</p><p>The core product works and can simply continue to be developed, optimized and marketed.</p><p><b>Team</b></p><p>The app is a solo indie project.</p><p>I built and operate the project myself.</p><p>There is no team that needs to be transferred or retained after an acquisition.</p><p>I currently handle:</p><ul> <li>Product development</li> <li>iOS development</li> <li>AI integrations</li> <li>UI and UX</li> <li>App Store optimization</li> <li>App Store screenshots</li> <li>Pricing and monetization</li> <li>Website</li> <li>SEO</li> <li>Customer feedback</li> <li>Product strategy</li> <li>Maintenance</li> </ul> <p>The project was intentionally built to stay lightweight.</p><p>A buyer with basic iOS development knowledge should be able to take over the technical side directly. Alternatively, maintaining the app could easily be handled by a freelance iOS developer.</p><p>There are no complicated internal processes or company dependencies attached to the app.</p><p><b>Tech stack</b></p><ul> <li>Swift / SwiftUI</li> </ul> <p>The main application is built natively for Apple's ecosystem.</p><p>This includes the interface, navigation, collection management and most of the application logic.</p><ul> <li>SwiftData</li> </ul> <p>Used for storing and managing the user's stamp collection and related information.</p><ul> <li>iCloud</li> </ul> <p>Users can synchronize their collection between Apple devices.</p><ul> <li>StoreKit</li> </ul> <p>Used for subscriptions and lifetime purchases.</p><ul> <li>Apple camera APIs</li> </ul> <p>Used for photographing stamps directly inside the app.</p><ul> <li>AI image analysis</li> </ul> <p>The core identification feature sends the photographed stamp through an AI-based analysis workflow.</p><p>The system attempts to extract and understand information such as:</p><ul> <li>Country</li> <li>Year</li> <li>Stamp type</li> <li>Series</li> <li>Visible text</li> <li>Currency</li> <li>Condition</li> <li>Historical context</li> <li>Estimated value</li> <li>Potentially interesting characteristics</li> </ul> <p><b>Export</b></p><p>Users can export their collection as PDF or CSV files.</p><p>The overall stack is intentionally simple.</p><p>There is no large backend architecture that needs constant maintenance.</p><p><b>Marketing and growth</b></p><p>Growth so far has mostly been product-driven and App Store-driven.</p><p>Because the app solves a very specific problem, users can understand the value proposition almost immediately.</p><p>There is still a lot that could be done here.</p><p>I have not built a huge marketing machine around the app.</p><p>That is actually one of the more interesting parts of the acquisition opportunity.</p><p><b>Revenue and profit</b></p><p>The app generates revenue through in-app purchases.</p><p>The current monetization system includes recurring subscriptions as well as a lifetime purchase.</p><p>Because this is an indie software project, the operating structure is extremely lean.</p><p>There are no employees and almost no traditional overhead.</p><p>The main running costs are things like:</p><ul> <li>AI usage</li> <li>Apple fees</li> <li>Website / hosting</li> <li>Software services</li> <li>Optional advertising</li> </ul> <p>Detailed financial information can be provided privately to serious buyers.</p><p>I prefer not to publish detailed revenue, subscriber, CAC or retention numbers publicly.</p><p>The important thing from an acquisition perspective is that the project does not require a large operational structure to continue running.</p><p><b>Return on investment</b></p><p>The app is probably most interesting for a buyer who already operates consumer apps, AI products or apps in collectible niches.</p><p>The buyer does not have to spend time building the initial product.</p><p>The app, brand, AI workflow, App Store listing, subscriptions and website already exist.</p><p>That means the acquisition is mainly a question of growing an existing asset rather than financing development from zero.</p><p>The biggest potential upside would likely come from better distribution.</p><p><b>Startup assets</b></p><ul> <li>Swift / SwiftUI codebase</li> <li>Stamp identification flow</li> <li>AI integration</li> <li>Collection management</li> <li>iCloud functionality</li> <li>Subscription system</li> <li>Lifetime purchase</li> <li>Export functionality</li> <li>Camera functionality</li> <li>Existing UI</li> <li>Existing onboarding</li> <li>Existing paywall</li> </ul> <p><b>Summary</b></p><p>The app is a small but complete indie app built around a very straightforward problem:</p><p>Take a photo of a stamp and find out what it is.</p><p>What started as an AI identification tool has grown into a broader stamp collecting app with identification, valuation, digital collections, cloud synchronization and exports.</p><p>✅ $8,100 TTM revenue</p><p>✅ 100 customers</p><p>✅ Business model: SaaS</p><p>✅ Built with Swift, SwiftUI</p>