Katalon Studio (KS) is an all-in-one test automation solution for Web, API, mobile, and Windows desktop application for both beginners and expert testers. KS revolutionizes the use of open-source test automation frameworks such as Selenium and Appium by eliminating their technical complexities. This revolution allows developers and QAs to set up, create, run, report, and manage their automated tests efficiently. Katalon Studio Enterprise (KSE) is the paid license for teams and professionals to implement on scalable projects.
Katalon Runtime Engine (KRE) is a test execution add-on of Katalon Studio that is used for executing tests via the console mode and/or command line interface (CLI). You can use the Runtime Engine in scenarios such as scheduling tests, integrating tests with CI/CD systems, or bundling tests with virtual containers.