Downloading the MintPay App Before you are able to start taking payments, you need to download the free MintPay App. For iOS: Download the iOS app here, OR Visit the App Store. Search for ‘MintPay’. Download the free MintPay App onto your iPhone or iPad. For Android: Download the Android app here, OR Visit the Google Play store. Search for ‘MintPay’. Download the free MintPay App onto your iPhone or iPad.