eureka. Coming soon

A rare coin could be hiding in your change.

Monaco, San Marino and Vatican City strike so few coins that finding one is a small event. Eureka is a catalogue of every euro coin since 1999, from all 25 issuers. Mark the ones you own and check your change for the ones you're missing.

Soon on Google Play and the App Store

The catalogue: a coin of the day, your progress, and a tile for each issuer
Italy's issuer page with every regular coin marked as owned

All 25 issuers, from Andorra to Vatican City

Each issuer opens on its €2 coin lit in its flag's colours. Below it is every series, year and mint mark it has struck, with a picture of each coin.

The change check for Germany's €2 coins, listing its commemoratives by year

Check your change

Found a coin you don't recognise? Pick the country and the value, or find it from its year and picture, and see in a few taps whether it's new to your collection.

Monaco's 2007 €2 coin for Princess Grace, with its description, designer and issue date

Who designed it and what it marks

Each coin has its own page with the reason it was struck, its designer and its release date. One tap marks it as yours.

Stats: the collection's face value, progress for regular coins and commemoratives, and charts by denomination and year

See how far you've got

Stats show what your collection is worth at face value and how complete each issuer and denomination is. You choose whether to count one coin per design, per year or per mint.

Nothing leaves your phone.

There's no account to make and nothing is tracked. The catalogue and its pictures come with the app, so it works offline and your collection stays on your device.

Soon on Google Play and the App Store