Maybe it’s better to hold my opinion, but in just a few words I’d say that the heating is a huge problem! The apartment was really cold and the air condition (heating/cooling) didn’t work at all, the temperature was about 16 Celsius degrees during the whole stay.
Getting into the apartment didn’t go as planned. For some reason, the electric keys didn’t work on my iPhone, and not just on mine. We were 7 of us and the keys worked only on 2 phones (even though we were all registered for the app).
Summed up, it was a bit too expensive. We could have found cheaper places for the same or better quality.