The flat and experience was overall very good. It’s quite small, but it has everything you need. Umur was also very helpful and responded really fast! He even brought us some things that were missing or we needed extra. He also checked in with us if everything was okay.
However, there are two things to keep in mind: it can be quite loud at some night when the window is open (so mostly at summer). Furthermore the mattress is thin and you feel the movement from the other person if two people sleep in the bed. That said, if you have a deep sleep it should be okay.
Overall I‘d recommend the flat, it’s really good for that price.