This is a wonderful apartment--- we really loved staying here. It was a fabulous location right across from the Luxembourg gardens, easy walking to a few metro stations and to the latin quarter, lots of fun food and shopping right nearby but not very touristy. We had a great dinner at the Cafe Vavin which is just down the road, and the kids loved having a nightly gelato. The Raspail market on Sundays is awesome. There is a great playground in the Luxembourg gardens and in general it was SO great to be right across from a park. The apartment is clean and stylish, the beds are comfy and the bathrooms are very nice. In general it feels very nice and modern and we all enjoyed the stay! We did have a few issues-- first, when we arrived our instructions were not correct so we were standing at the wrong door with the wrong code and that was stressful given that we were all tired and had a pile of bags and kids. Second, the air conditioning was not working during our visit. I had specifically filtered my airbnb search for apartments with AC because my husband is always hot. Alexis let me know 10 days before our arrival that it was broken, which wasn't really enough time to make other arrangements, but seems like it should have been long enough to get it fixed? He provided some portable AC units but you can only use them with the windows open and that was tricky for us because there is a lot of street noise all through the night. Third, we booked our transport to and from the airport with Alexis' company's shuttle service... the guy was there to pick us up when we arrived which was great and very easy, but for our trip home the van never showed up so we needed to call two Ubers and race through CDG with our three kids, literally arriving at the very last possible moment at the gate to board our flight. VERY stressful! So with all that I would definitely recommend staying at this apartment but I would check to make sure the AC is repaired before you go.
Also, double triple confirm your apartment location/door code details with Alexis before you leave, and consider booking your own airport transportation. Have fun!!!