The apartment in the Bastille section of Paris was just as described in the AirBnB listing. It was perfectly located in a great neighborhood, across the street from a supermarket, steps from the Metro, and everything else you need within blocks (lots of great patisseries, boulangeries, etc.) The Metro being so conveniently located meant that we could easily make trips to all the touristy places we wanted, including the Eiffel Tower, Notre Dame, Montmartre, etc.
This is a third floor walk-up, as described in the listening. The steps are curvy and narrow, which is to be expected in old, Parisienne buildings. But if you're not comfortable going up and down stairs multiple times a day (assuming you're going to be out and about in Paris), this might not be the place for you.
Our flight got in early in the morning, and our host made accommodations for us to meet early to drop off our bags so we wouldn't have to lug them around while waiting for our check in time. We were thrilled to discover that the host further made arrangements for us to actually gain full access to the apartment early when the previous guest checked out ahead of time! We were tired, and this thoughtfulness made a huge difference for us and our stay.
The apartment itself is beautiful and modern. It had room darkening blinds, which I appreciate in a downtown apartment. We used both the bed as well as the futon, and found both to be comfortable. The futon has a firm, foam mattress upon which I had no trouble sleeping. We appreciated the bottle of wine the host left for us, and used the Nespresso machine daily. A great place, and a great host!