Have you ever stumbled upon an old coin and wondered, “Is this worth anything?” You’re not alone! Thanks to modern technology ...

Modern smartphone technology has revolutionized coin identification and valuation. Whether you’re a seasoned numismatist or ...

Rare coins worth thousands really do slip through everyday wallets, so it pays to check your change before spending it. I ...

The 1999 penny error varieties remain some of the most exciting finds for collectors hunting through pocket change today.

CoinKnow stands out as one of the most advanced free coin identification applications available today. Launched in 2025, this app leverages sophisticated AI to analyze coins through your smartphone ...

Collectors have long known that small minting mistakes can turn pocket change into serious money, and the 1983 Washington quarter is one of the clearest examples. A spectacular error from that year, ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

This guide breaks down the best free coin identifier apps for U.S. and international coins, accuracy, error detection, and who each app is really for.