About Us

We are dedicated to providing a professional-grade coin test app, backed by our extensive expertise in fundamental research and app development.

Our Story

2016

Two doctoral researchers questioned a silver coin's authenticity over dinner — and set out to solve it.

2017

Core algorithm developed and verified.

2019

Launched on App Store & Google Play with universal gold and silver coin testing.

2020

Integrated Numista catalog: 30,000+ gold and silver coins.

2022

2nd-generation algorithm delivers higher precision results.

2023

3-star purity-aware results powered by the new algorithm.

2024

Report & Win campaigns launched with cash rewards. Introduced account and Precious Point systems.

2025

Purity results and Report & Win campaigns expanded beyond 3-star coins.

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