This place was really great for our stay in Rome. It is about a 3 minute walk from the Spanish Steps, so a lively location with lots of shopping and restaurants but also easy to get to a lot of the main sites. It is a bit of a walk up, maybe 3-4 flights of stairs so be prepared if you have luggage (this is the norm for many places anyways). Once you enter the apartment there is a main room with kitchen, living room and sofa bed, then a bathroom and a bedroom. There is also a terrace which was beautiful and nice to drink a glass of wine outside at night. During the day the neighborhood is bustling and at night it is very quiet.
Antonio was the one who checked us in and he was very good at explaining how everything in the apartment worked and he answered any questions we had. He was also able to set us up with a car back to the airport which was nice.
The only minor issue was checking in, as we were traveling and did not have cell service or wifi. We did not know the apartment number on the callbox and met with someone different than we had the reservation with. I would recommend that if you don't have a phone, get clear directions beforehand about how to get in. Other than that everything was great!