Mobile applications are the primary digital touchpoints for customers and employees, heightening the challenges for application development and delivery (AD&D) teams. Engaging, high-quality mobile apps boost revenue, while poor-quality apps put experience and brand reputation at risk. Testing is at the center of software quality. To cover the variety of devices, operating systems, and networks, AD&D leaders seek greater automation and better tools. This report details the landscape of mobile app testing tools, focusing on functional and user interface (UI) testing.