Honestly, this is one of the best Airbnbs I've ever stayed in. For a bit of context, I lived in Vienna for 2 years and know the city well. The 20th district (where Robert's apartment is) is a wonderful place to stay. It's safe, full of good restaurants / amenities, and incredibly well-connected. You have the U6 and the U4 metro lines within a few minutes' walk, plus lots of buses and trams. The direct train to the airport is also a very short journey away. Coming from London, I tend to walk a lot, and it only takes about half an hour to stroll to the 1st district (Vienna's central hub / city centre). And it's a nice walk too! All major tourist attractions are easily accessible. Also a great area for nice running if you're into that.
The flat itself is in a beautiful, classically Viennese building, complete with a winding staircase and high ceilings. The flat has been completely renovated and is very modern on the inside. It's nicely decorated and there's a lot of natural light. It's super cosy and nice to hang out in. I was also impressed by how fast the WiFi was. I ate out pretty much the whole time but the kitchen has everything you need if you want make some meals yourself. I made good use of the coffee machine. The shower has excellent water pressure. I didn't use the washing machine during my stay but it's nice that the flat has one available. It's nice and quiet at night, and I slept very well here.
Check-in and check-out were both a breeze. The flat has an electronic lock, which made things super easy. Robert was a very polite and friendly host, with excellent communication. He made it very clear that he was there to help in case I had any questions or needed anything at all.
If you want to live like a local, Robert's place is the place to be!