We stayed 2 nights in Prague and this apartment was great ! Evgeny gave us the keys after having given us a tour of the place, and the apartment looks exactly like the pictures. It was very clean and comfortable, and the WiFi worked perfectly well. The location was great, calm and safe (within walking distance of the old town square) and the apartment building itself is secure.
Just one little hick, the bathroom sink was clogged.
I highly recommend this apartment and will definitely look to stay here again during my next visit to Prague !