We booked this place because we needed something spontanously, looking for something cheap and convenient. And this is exactly what we got. This place is perfectly fine for a short stay: very clean, easy Check-In and communication, and again convenient and quite cheap.
But there are a few things you should consider: 1. It's more like a motel with many of these vacation flats in one house, no one really lives or works there (that's why Check -In etc. is very easy, all automated) 2. The house is located right by a big street with more or less 24/7 noise coming into the apartment 3. There is a self-service gas station right underneath the house, which sheds neon light into the apartment at night (and has a occasionlaly loud truck filling up the gasoline at night) 3. It's not really central. Public transport is a about 20 min long walk, (which I would not prefer to walk alone at night) but the station is Meidling Bahnhof, which is a quite big station and gets you nearly everywhere into/ and out of the city.
This is not a terrible place, it really does it's job but I would recommend this more to someone on a short buisness trip than a tourist who is trying to experience the city.