The apartment was cleaned every 2 weeks in our stay. And they texted us always before to check if it was okay to come.
We would defenitly recomend this apartment!! And if we will come back to Budapest someday, we would like to stay there again.
cons: wifi does not always reach to the main bedroom, but it did not bother us, since we used the computer mostly in the livingroom. And the sofabed is a bit hard, but I got used to it after the first night.