The apartment is lovely and has a great location, very very close to a metro station. I was gladly surprised with all the appliances it has (washing machine, iron, coffee machine,TV...) everything you might need and more and the self check-in/check out had no complications.
The host was easy to contact and quick answer and solve any problem. In our case, when we checked in at 3pm the apartment was still to be cleaned, so we dropped off our luggage and let them know that we were going out for the afternoon. They arranged things effectively and it was done by the time we got back, so I would not consider that this had any negative impact on our experience at all.
Overall, we would choose this acomodation again if we decided to visit Paris, so I recommend it to anyone who is planning to go there.