I stayed for a month. There were pros and cons to this place.
Pros: The U1 subway stop is literally 20 meters from the front door. It's a big space and has 3 single beds, a double bed, and a couch among the two bedrooms and living room/kitchen.
Cons: Needs some maintenance. Fridge is tiny and kitchen is small...not a problem for tourists, but might be if you are staying a while and like to cook. Building is not well maintained or cleaned (not host's fault, but unfortunate). Could have been better cleaned, though I stayed during COVID time and most places I stayed haven't been up to normal Austrian standards during this time.