WebMerlin UCA is an Android app designed to access the University of Cádiz's webmail system. The app offers an optimized web application that is adapted to small screens and touch screens. It allows students and staff to access their emails on-the-go without having to use a computer.

One of the key features of WebMerlin UCA is that it periodically checks for new emails in the background and sends notifications to the user. This is a handy feature that ensures users never miss an important email. Overall, WebMerlin UCA provides a convenient way to access University of Cádiz's webmail system while on the move.