Coin Tester is an advanced application designed for iPhone users to verify the authenticity of one-ounce gold and silver coins. Utilizing the acoustic resonance method, also known as the ping test, and artificial intelligence, this app accurately determines whether a coin is genuine or counterfeit based on its unique sound characteristics.

When struck, coins emit distinct vibrations and sounds influenced by their dimensions and material composition, enabling Coin Tester to differentiate between authentic coins like gold Maple Leafs and silver Krugerrands. The app's use of artificial intelligence streamlines the verification process by providing guidance and leveraging a vast database of new and circulating coins for precise identification.