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I run a software studio by myself: a suite of mobile apps across three platforms, a billing-grade SaaS, an open-source Rust engine, and an agent harness I built to operate all of it. The code is the easy part.
I built sapplify.com into a 1,300-page SEO engine because the best app nobody finds is still nobody’s app. I built on-device prediction in pure Dart (pattern recognition, no cloud) because health data shouldn’t leave the phone. And when no tool could review my own code, remember decisions across sessions, or run dozens of agents safely, I built those too.
That’s how I work. The code is one layer. The system around it is the rest.
Sapplify is a one-person software company. A family of mobile apps that share a design language, a backend, and a privacy-first, local-first philosophy, all shipped to the App Store, Google Play, and AppGallery.
I own every layer. Product, code, design, marketing, ASO, content, infrastructure. This is what building a company end-to-end actually looks like.
The Claude Code operating layer that runs my studio. Custom skills, subagent workers with verification gates, a typed memory system, focus-lock scope discipline, and scheduled headless agents. The infrastructure behind ten products operated solo.
An open-source, all-Rust knowledge graph: a plain-markdown vault that agents query over MCP and humans edit in a native desktop app. Shipped, signed, notarized.
A multi-session controller for Claude Code: one desktop window driving many concurrent agent sessions, built on the Agent SDK with file-lock coordination so sessions share a repo without colliding.
A production SaaS EU invoice generator for freelancers and small businesses. Covers 7 EU countries with automatic VAT handling, reverse charge detection, client-side PDF generation, and Stripe monetization.
A mood-driven wallpaper feed with a transparent, on-device recommendation algorithm you can read and reset, plus a hidden story layer. Live on iOS, Android, and the web.
A real-time global emotion tracker. Users anonymously share how they feel and see the world’s collective mood on an interactive 3D wireframe globe — built entirely without frameworks.
If something here resonates, I’d like to hear about it.