I enjoyed my time in Sofia's apartment for one month, mostly working and studying. The large windows let in a ton of light and the surrounding environment is nice to look at.
The presence of a washing machine is a huge plus, and it's one of those rare amenities in BA that I just can't go without.
The bed is comfortable, but there needs to be more/better pillows. The chairs are awesome, as is the indoor decor.
The refrigerator isn't special, and it's not easy to find a supermarket to get enough groceries to fill it, so you'll probably not use it and opt to eat out in Palermo Hollywood nearby instead.
It is fairly quiet, except for some weekend nights when neighbors have parties.
Ants were an issue for me, and my dry foods left on the table (close-boxed) were sacrificed to them, unfortunately.
On the whole, the apartment is beautiful and is a great way to start off an epic journey through BA. This is by far better than most spots in the area – although the price is arguably too high for what you're getting both in terms of location and accommodation.
Make no question about it; the 12-story view is stellar, and a week here to relax and take in the good vibes is an ideal length for your stay.