Stayed at the apartment for 5 nights, and totally loved it.
The host, Oliver, met us in person when we checked in and gave us a quick tour of the apartment and the different amenities. Also, he provided some great touring tips around the city, which was awesome. BTW, if you are a seafood lover, like we are, you must try a restaurant near La Sagrada Familiar called La Paradeta. We liked it so much that we actually ate there twice. Thanks for the recommendation, Oliver.
The apartment itself was great, very clean and modern. After a long day in the hot and humid weather, it was so nice coming back to a cool apartment. The extra $$ was definitely worth it.
The location was wonderful, close to the metro, if you want to use it. Or, you could do what we did, walked to many attractions and enjoyed the views.
All in all, I would recommend the apartment to any future travellers who are looking for a place to stay in Barcelona.