This appartment is at a great location close to the Vatican, but at the same time a local neighborhood with alot of great restaurants at walking distance. We were with 5 people and experienced the appartment to be bigger than it looks from the pictures, which was very nice.
We also found Allessandro to be a great host, he and Jane arranged taxi's for us from and to the airport and we could stay in the appartment until pick-up time.
Since we stayed for 5 nights, its was nice to have several towels.
Some points for improvement: The appartment could use some upgrades / renovation, especially the shower. It kept going from hot to cold and was very hard. Besides this, the tupperware is not very clean and the dishwasher is very old. It's also good to know that the street next to it is very loud, so you might need to close the windows at night.
To sum up, this is a great option if you would like to have enough space and stay in a tourist area but want to feel like you are living in a local neighborhood.