Functional testing is a black box type of testing and includes many important types of functional testing such as Smoke testing, sanity testing, system testing, unit testing, regression testing etc. It is mainly concerned and focused on ensuring that all the functions of a software application are strategically verified. User Acceptance Testing is focused on testing the product from a user’s viewpoint, as ultimately users would be using the software product or application post release of the product.  User experience, usability, functionality and performance are the key parameters that are thoroughly checked in UAT. In this article, you will get to know about the differences between functional testing and UAT. What is functional testing? It is a testing method where the application’s basic functionalities are tested against a predetermined set of specifications. Functional tests measure whether the desired output is returned by the given input, regardless of any other details. ...