The apartment was great, exactly as shown in the pictures. Convenient and cosy. The situation was great also, walking distance from many touristic sites and from the termini station (crossing of the two metro lines and most of the buses).
The host was really nice, very welcoming et gives us some good tips about restaurants also!
The only negative point was the bad smell coming from the sink in the kitchen, but it may have been temporary...
Really great stay in Rome!!! I recommand it!