★★★★★
"Invoicing used to be a headache at closing time. Now I'm done in 2 minutes and the customers get a professional PDF instantly."
Araz M.
Retail Center
Version 2.0 Live
The Science of
Stop guessing. Start calculating. Manage your gold business with native Android performance, scientific accuracy, and professional invoicing.
Inside Gold Lab Pro
A clean, dark-mode optimized interface built specifically for the daily workflow of modern jewelers.
Why Professionals Switch
| Workflow Feature | Pen & Paper | Legacy Web Apps | Gold Lab Pro |
|---|---|---|---|
| Density & Purity | Guesswork / Error prone | Basic algorithms | Scientific (Archimedes) |
| Invoicing Speed | 10-15 mins per client | 5-8 mins | < 2 Minutes |
| Data Security | Physical damage risk | Expensive subscriptions | Secure Local + Cloud Sync |
| Platform Architecture | Physical Books | Browser Dependent | Native Android / Kotlin |
Localized Market Precision
Try our built-in estimator. The full Android application adapts to your local market—handling native tax structures, localized currencies, and complex density equations effortlessly.
- Real-time dynamic calculation
- Multi-currency support built-in
- Completely free, zero tracking
Quick Estimator
Trusted by Professionals
★★★★★
"The density calculator is surprisingly accurate. I use it for old jewelry where stamps are missing. Saves me from buying fake gold."
Tural K.
Old Town Jewelry
★★★★★
"Finally an app that doesn't look like it was built in 2010. The native performance and dark mode are perfect for shop floors."
Emin L.
Independent Dealer