We stayed in this apartment with the whole family (7 people plus baby)
First of all the positive things: the apartment is very good located just a few footsteps away from the City Hall. Check-in via key box at the entrance is easy and convenient.
BUT
The apartment looks nothing like on the pictures. Everything seems heavily used. The bathroom is kind of dirty and the kitchen equipment seems not to be well cleaned. Especially the wooden floor drove all of us crazy as it is creaking with each and every step.
On top they wanted to have additional 25€ to put a baby bed without blanket and pillows.
We also forgot a phone charger and asked the host whether its possible to ship it but we were entirely ghosted after we checked-out.
Really not recommend for a family trip.