ARGeoITS is an intelligent tutor system that implements marker-based augmented reality to improve learning in Geometry subjects with the same content as ARGeo. Register and log in to explore the adaptative content of this application. ARGeo was developed by Aldo Uriarte Portillo, María Blanca Ibáñez Espiga, Ramón Zatarain Cabada and María Lucia Barrón Estrada.