If you’re just getting started with software testing, or you’re looking to switch from manual testing to automation, the idea of a free test automation tool can be pretty appealing. Theoretically, a free tool means you can start producing automated test coverage with little or no financial risk. But that’s not how it shakes out in reality. Almost all “free” automated testing tools come with (sometimes substantial) hidden costs.

If you’re interested in automating the testing of your web application, there are three categories of tools to understand: The best automated testing solution for your web application will depend largely on the resources you have and the tradeoffs you’re willing to make. In this piece, I’m going to help you understand the strengths and shortcomings that come with each of these types of testing tools, as well as who they’re each best-suited for.