The apartment is in a great location and the checkin process was very easy. Hostly, the company renting this apartment, has an office next door and was able to store our luggage after checkout. The wifi was very fast and stable, I worked there for a few days and had no issues.
The kitchen wasn't very well equipped (only one small pan, no oven etc) and the pots weren't clean. We didn't need the kitchen much so it wasn't a big issue for us.
The apartment is very dark with only little natural light coming in as it faces a wall on one side and an inner courtyard on the other.
Overall we had a great stay though and the hosts gave us loads of information about the city and offered support with booking attractions etc.