We had a tremendous experience in Katharina and Peter's apartment. Peter was there on time, he took time to explain to us everything about the apartment and the city. He is quick to respond to our questions via email and he went out of his way when we needed to print bus tickets. The apartment was like on the pictures, very clean. Very good area, safe, well located and close to Westbhanhof where there is train, tramway and subway.
I recommend this apartment and the hosts.