The Santa Tecla Oficial app enhances the experience of the Santa Tecla festival in Tarragona by providing users with a comprehensive guide to the event. It includes a complete agenda of activities, easily filterable by day, time, and type, ensuring that attendees can plan their visits efficiently. Users can also enjoy real-time notifications about changes, new events, and highlighted recommendations, keeping them informed and engaged throughout the festival.

Additionally, the app features an interactive map for geolocation of venues, allowing users to easily find stages and event locations. Users can mark their favorite activities and create a personalized calendar, while the 'Here and Now' feature helps discover ongoing events nearby. Practical information, such as public transport and medical services, is also readily accessible, making this app a valuable tool for both locals and visitors alike.