Oliver was a kind and great host! He provided very detailed and clear instructions on how to get to the place, enter etc. He was flexible on changes and ready to reply to any requests.
The place was cozy for two people, even three in case (mattress and couch available in case), quite clean and tidy, superclose to the metro station, WiFi working very well, so it was perfect for a holiday or also a work trip, as in my case.
Hope to come back to Vienna soon and visit Oliver's apartment again!