We want to build an app for IOS which can work any audio card reader for transaction of POS, Payments, etc. Will be discussed more on the Employee Selected and Employees Reviews. Need to know more about from you about this app, if can provide any demo or show any app on market will be more desirable or helpful to us. Please Bid only if guys do the hardware app. no first timers.???And also i m not sure about the project time and cost... so please let us know in details.??Thank you.