This was a great apartment. I spent 5 weeks in Vienna, and found it very comfortable and perfect for me (I was traveling alone). It had all the necessities, plus extras like a few spices for cooking, teas, etc. It was very clean and well-maintained. I also enjoyed how sunny it was. I highly recommend this apartment.
I really liked the neighborhood. There are a number of grocery stores and restaurants very close. It is a quiet area, yet near the Innere Stadt - I often walked there. The Schottenring U-bahn station is just a couple streets away. And it's close to the canal and Augarten, where I spent many evenings taking beautiful walks.
I didn't meet Beata, but Alin was very responsive and helpful. I got the keys easily and quickly. I didn't have much contact with him because the stay went very smoothly and there were no problems with the apartment.