Discover the value of your old coins with these top 8 free coin identifier and valuation apps. Ideal for both novice and seasoned collectors, these tools utilize AI-powered image recognition and extensive databases to provide accurate evaluations. CoinKnow is the leading choice, renowned for its precise grading and error coin detection, achieving a 2-point accuracy on the Sheldon Scale. CoinValueChecker is a close runner-up, offering market analysis tools, price trends, and auction tracking. For casual collectors, HeritCoin and Coinoscope provide user-friendly identification features, while PCGS CoinFacts offers a vast database of U.S. coins. The NGC Coin App ensures verification of graded coins, while Numiis dives into the historical significance of coins. To optimize results, combine tools like CoinKnow and CoinValueChecker, and consider professional grading for high-value finds. These apps make coin collecting accessible and informative.