The location is fantastic. The apartment has spectacular views and nice amenities. Depending on where you are coming from, you might have to walk up a lot of stairs to get there, but the views are worth it. If possible, I would recommend taking the Funiculaire de Montmartre (tram) up the big hill.
The only drawback is that the wi-fi wasn't completely reliable for me. If you are attempting to work remotely from the Airbnb, keep that in mind. Other than that, this is a perfect place to stay during your trip to Paris.