Free audio guide app offers a geolocated audio guide specifically for Porta Cristina, letting you listen to the stories of the places you visit while you walk under its neoclassical arch. Discovery Mode triggers concise, location-based tracks about the gate's role as the 19th-century entrance to the Castello district and its dedication to Maria Cristina. Tour Mode links it to nearby sights. Gamification awards points and digital souvenirs for each listened fragment.
