The Loop11 User Testing app is designed to allow users to participate in usability testing studies conducted by design companies worldwide. This Android app is specifically built to open when a usability test is initiated through a provided link.

Once the app is launched, it records the user's interactions with the test website and collects anonymous data. This data is then shared with the company conducting the user testing study. By using this app, users can actively contribute to improving the usability and user experience of various websites.

Loop11 User Testing is a free app available on the Android platform. It falls under the category of Utilities & Tools, specifically designed to facilitate usability testing studies. With this app, users can easily participate in such studies and help shape the future of website design.