Castillo de Peñíscola is a free Android application developed by Diputación de Castellón that helps you explore the castle and its surroundings. It provides an informative guide to the castle, including a brief history and description of each room and point of interest. The application also allows you to prepare for your visit by providing useful information about the castle and its facilities.

The app's user interface is simple and easy to navigate, making it ideal for both tourists and locals alike. The app is available for free and can be downloaded from the Google Play Store. With the Castillo de Peñíscola app, you can get the most out of your visit to the castle and enjoy a unique and informative experience.