CoinROI* – Scan. Value. Reign.

Royal AI Intelligence for your coins collection.

Royal AI intelligence for your coin collection.

*ROI stands for Return On Investment — and for our French users, Roi means King. Because knowing the true value of your coins is how you reign over your collection.

The AI-powered app for coin collectors and precious metals investors. Scan, identify, value — and rule your collection.

Release: May 2nd, 2026 — App Store & web · Android: summer 2026
Beta testers wanted — free access by Testflight · [email protected]

What is CoinROI?

CoinROI is an iPhone and iPad application built for serious coin collectors, precious metals investors, and numismatic enthusiasts. It combines artificial intelligence coin identification, a direct connection to the Numista international database, and live gold and silver spot prices into one powerful tool.

Whether you collect French gold Napoleons, ancient Roman coins, modern bullion such as Krugerrands or Maple Leafs, or any world coin — CoinROI gives you expert numismatic knowledge right from your pocket, backed by live market data and real auction prices.

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AI Identification

Photograph both sides of any coin. AI identifies it in seconds — country, year, mint, metal, weight, mintage, and current market value.

Portfolio ROI

Log your acquisitions with purchase price. CoinROI calculates your return on investment per coin and for your full collection, updated live.

Live Gold & Silver

Live spot prices for gold and silver. Know the melt value of any coin instantly — and compare it to its numismatic premium.

Sell at the Right Price

Connected to auction results and eBay sold listings. Find the right market price before you sell — no more guessing.

Numista Database

360,000+ coin types from all countries and eras. The world’s largest numismatic reference, directly connected to CoinROI.

Web Backoffice

Full catalogue management from your computer. Advanced stats, data export, and collection history — synced with the app.

Advanced Coin Scanner

Most coin apps use a generic camera. CoinROI includes a dedicated coin scanning module built specifically for numismatists — the most demanding photographers of reflective, detailed metal objects.

Custom white balance

Eliminate yellow cast from gold coins. Accurate silver rendering.

Auto capture

Hands-free trigger when the coin is perfectly framed and sharp.

Luminosity offset

Fine-tune exposure for matte, proof, or highly reflective surfaces.

Two-shot guided flow

Obverse then reverse — for maximum AI identification accuracy.

BYOK — Bring Your Own Key

CoinROI is powered by AI. Uniquely, you can connect it to your own API account — OpenAI, Anthropic, and others. Use your existing key and enjoy the full app nearly for free, paying only your actual API cost, not a subscription markup. No forced plan.

Who Is CoinROI For?

  • Collectors of French gold coins — Napoléon, Louis d’or, Hercule, Semeuse, Coq Marianne
  • Precious metals investors — Krugerrand, Maple Leaf, American Eagle, Philharmonique
  • Ancient coin collectors — Greek, Roman, Byzantine, medieval
  • Auction buyers needing real-time valuation before bidding
  • Collectors who inherited a collection and need to identify and value it
  • Investors diversifying into numismatic assets

Najczęściej zadawane pytania

What coins can CoinROI identify?

Any coin in the Numista database — over 360,000 types, from ancient Greece to modern commemoratives, covering every country and era.

Does CoinROI show live gold and silver prices?

Yes. CoinROI is connected to live spot prices and automatically calculates the melt value of any gold or silver coin based on its weight and purity.

What does BYOK mean?

Bring Your Own Key. Connect CoinROI to your OpenAI or Anthropic account and use AI features at your own API cost — usually a fraction of a standard subscription.

Is CoinROI available for Android?

iPhone and iPad first — May 2nd, 2026. Android planned for summer 2026.

Join the Beta

CoinROI is in development. Beta testers get free access from day one.

[email protected]

No spam. No commitment. Just a notification when CoinROI launches.