I stayed 4 nights in Ralf’s apartment and I really enjoyed it. It’s perfect for 1 person, you have everything to cook, it was perfectly clean, you have a washing machine, the WiFi is fast. Also, you are at 2 minutes walk from the tram station. 10/15 minutes to the centre. Supermarket is really close (2 minutes). And it’s also easy to communicate with Ralf. I was in Vienna before the check-in and he managed to do the check-in earlier. For the check-out he offered me to stay until my train left, and I did the check-out at 1pm. It was really nice!! For sure if I go to Vienna again, I will stay in this apartment.