Free audio guide app delivers a dedicated audio guide for the Church of Saint Christina in Piazza San Carlo, using geolocated audio guides to align narration with the two-tiered Baroque façade and central dome. Listening highlights frescoes, wooden altars and marble details, and places the neighbouring Church of Saint Charles Borromeo in the square’s context. Tour Mode offers thematic stops; points and digital souvenirs mark discoveries. A focused sonic portrait of Baroque Turin.
