We've stayed in the Deluxe apartment just before the start of Advent in Vienna.
LOCATION
The apartment and the whole building have really nice location. Transportation (metro, bus, and tram stops) is close - 5-10 min walk in any direction. Also the main square Stephansplatz is only 3 metro stations away from this location.
Just across the street, you have Eurospar where you can get all the necessary supplies.
APARTMENT
The deluxe studio apartment was really nice when looking at the space layout. Pretty much everything inside is from IKEA but it looks like it's brand new. In the apartment, we had a laundry washing machine and dishwasher. In the kitchen, there should maybe be more pots and pans.
When it comes to cleanliness, the apartment could maybe be a bit more cleaned -- especially the floor area.
In general, everything was good and we didn't have any problems with loud noises or smoke. It's worth the price you pay and we would definitely recommend it to others.