We stayed here for one night as we were passing through Rome. The apartment is located in a great area just off the Campo dei Fiori - it feels quiet and safe but is walking distance from so many of Rome's biggest attractions in the Centro Storico and Vatican City.
The apartment is comfortable and clean. We would have found the bed (which slopes a bit towards the person sleeping against the wall) uncomfortable for a longer stay but it was fine for our purposes. The water in the kitchen sink wasn't working during our stay - it might be fixed now, we didn't raise it with Matilda because we only stayed such a short while.
Matilda was friendly and helpful when we arrived. Her restaurant around the corner can also look after your left luggage while you're out exploring - a nice touch!