> They don't have prices on the web site

This is standard practice. PVS-Studio is a B2B solution. There are many details to be discussed.

For individual developers we propose the following: "How to use PVS-Studio for Free" - https://www.viva64.com/en/b/0457/

And "Handing out PVS-Studio Analyzer Licenses to Security Experts" - https://www.viva64.com/en/b/0510/