My family and I stayed in Madrid for only 3 days and we couldn’t have picked a more perfect place than Jesús and Sara’s apartment. We absolutely loved the location there as it is situated in the gastronomic mile where all the best local cuisine is, and is a couple minutes of walk from the Retiro Park, which is an absolute gem! Jesús and Sara are wonderful hosts as they made us feel welcome from the get go and have devised an app to make everything go smoothly and effectively. The main functionality of the app is used to unlock the apartment door, but also provide a tutorial for how things work in the apartment, and can also be used like a guide as it suggests the top places to visit and to eat out. The only thing that could be improved is the soundproofing of the walls, but since it’s a pretty quiet neighborhood, it didn’t bother us that much. All in all I strongly recommend!