One of the things I was most worried about with booking this apartment was the noise, based on the other reviews I'd read. It's true, it is in a busy area, but the noise is nothing crazy. If you want to be in a central, vibrant area, expect some noise. There's a bar over the road that's open over the weekend which can mean people spill out onto the street till late in the night and music plays, but the bedroom is in the back of the apartment. If you have earplugs you won't be able to hear a thing. Also, it's a cool bar. You should check it out.
The apartments upstairs and downstairs are both Airbnbs I think, which means you can have loud, inconsiderate neighbours sometimes, but again, it's nothing too bad. Plus they're close enough that you can tell them to shut up, I guess.
Overall the apartment is great. I stayed here for several weeks and became very comfortable in it very quickly. The kitchen is basic but workable and there are tons of cool bars and restaurants around anyway. There's a supermarket right around the corner too.
Gisely is super helpful and answers any questions really quickly too. I got into the apartment instantly when I arrived, which is always nice!