SierraNova Labs builds privacy-first macOS applications. Your data stays on your computer — no cloud, no accounts, no tracking.
A premium macOS app for people who take their health data seriously.
Organize your lab data. Visualize trends over time. Generate doctor-ready reports. All 100% private on your Mac.
The principles behind every product we build.
Your data lives on your machine. We never see it, collect it, or transmit it.
One-time purchase. No recurring fees. Your software, owned outright.
Built with SwiftUI for a fast, beautiful experience that feels right at home.
Everything is stored in a local database. Works fully offline after activation.
Visit LabsLedger.app to learn more about features, pricing, and how it works.
Go to LabsLedger.app