The audioguide tells the story, explains the architecture and reports interesting factual statements about the basilica.

Saint John the Evangelist preached with this place.

Tradition tells us that John, the apostle of Jesus, was placed in a cauldron of boiling essential oil, but arrived miraculously uninjured and safe. The basilica was built on the continues to be of an ancient temple, dedicated to the cult of Diana, during the period of the pontificate of Gelasio I, roughly between 492 and 496.

Some masonry fragments found about Saint John at the Latin Gate, Rome. Italy near the apse would seem to verify the delivery of the basilica in the fifth century. To confirm this theory there are some tiles of the outdated roof, bearing the mark of Ruler Theodoric the fantastic (V-VI).

The true gem of the church will be the medieval frescoes, found out through the various restoration works, of the last century. The paintings are believed essential because they represent the changeover from Byzantine impact to that of Pietro Cavallini, probably one of the most significant exponents of the XIII century Roman school.

You can examine the 3D style of the church and observe its interior, through the MuByz App. The audioguide has been made by professionals in neuro-scientific history and artwork.