.rpt Inspector Online is a cloud / SaaS solution. .rpt Inspector Online is designed to be run in a modern browser (see requirements). While the user interface of .rpt Inspector Online runs entirely in the web browser, a helper application that runs on your desktop is required (known as: .rpt Inspector Online - Broker) to allow access to your Crystal Reports.
Click here for more details on how it works.
So there isn’t anything to purchase as .rpt Inspector Online is a FREE set of tools at this time.