First, about Armanda: she was the nicest and most accommodating Air BnB host I've ever experienced. She met us at the apartment, gave us a tour of things and even walked us around the neighborhood to point some of her favorite restaurants, cafes and bakeries. And when I needed to get in touch with her via the app, she was always incredibly punctual with a response.
Now about the apartment: in short, it's incredibly charming and comfortable. It was absolutely perfect for our stay in Rome. It was home-y feeling, well decorated and architecturally interesting, and there were so many thoughtful touches that made the stay feel special and easier for us. Also, the apartment is tucked down a quiet alley, but is still close to everything - restaurants, bars, cafes, public transportation. And it's proximity to the Tiber means that you can easily get to the other side for any and all sightseeing you may want to do.
A+ apartment with an A+ host!