Overall I can only recommend this apartment.
Rita was very helpful, we could reach her anytime and had her support with every topic.
The apartment is nice and big. Could have been a bit cleaner, but it might be just a cultural difference, because we quickly realized Napoli is also very chaotic.
Be prepared that it is a very busy area, since it is located in the city center.
If you are looking for a nice apartment with a great host, it is for you!