FREE Square iPhone App & Card Reader for Square Up App
Square app
https://squareup.com/
Accept card payments with your iPhone
This is a great App for accepting/processing credit card payments and tracking cash payments.
Square is available on the Android Marketplace for FREE.
When you sign up with this app, you will be shipped a credit card reader that will connect to you headphone jack.
The app will process the payment and give the buyer the option of receiving a digital receipt through their SMS or Email. Receipts will include date and time stamp, image of buyers signature, and a map of the GPS location of transaction. Seller receives a duplicate receipt also.
Everything in app, including the card reader, is free. However, Square will take 2.75% of all credit card transactions made. This fee is only beneficial for small transactions.