Downloading iAuthorize 1.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program is categorized as Business Tools. This software for Mac OS X was originally produced by Intelli Innovations. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
iAuthorize enables fast, efficient credit card processing on Mac OS X using the popular authorize.net gateway.
Featuring a stunningly efficient, easy-to-understand interface, simply enter the payment information or swipe your customer's credit card with an IntelliSwipe USB Card Reader to charge or authorize Visa, MasterCard, American Express, or Discover.
You may want to check out more Mac applications, such as EuroConverter, CheckTracker or MoneyLine Personal Finance Software for Mac, which might be similar to iAuthorize.