There’s an iOS app called Impaktor that gives similar results with the phone’s mic instead of a contact mic. So not as nuanced, but great for $5. (You will ne

There’s an iOS app called Impaktor that gives similar results with the phone’s mic instead of a contact mic. So not as nuanced, but great for $5. (You will need headphones.) https://www.beepstreet.com/ios/impaktor https://www.beepstreet.com/ios/impaktor