They are pretty transparent about what is going on and how they are making money and they provide a free trial. The customer service is great and they have a lot of tools to help you get the most out of your TestGorilla accounts. I have used their services for my first round of interviews and I am currently using them for my current round of interviews. I have had great success with them in getting the most out of my candidates. I have had great success with them in finding great candidates. I have had great success with them in getting a better understanding of my candidates.