I lived here for four months and there couldn't have been a better apartment for me.
I loved the neighborhood. It is very nice, quiet and safe. The location is also ideal. All public transportation is very close to the apartment. Especially the metro station is very close, which is great because you don't have to rely on the buses where you are stuck in traffic most of the time.
As an Erasmus student, I can also say that the nightlife in Istanbul (which is mainly on Istiklal Caddesi) is also relatively close to the apartment. So you barely have to rely on a cab and can walk home.
The apartment is clean and there is everything you need. I find the alcove very cute and perfect for reading.
The host is also very professional, friendly, and helpful. He responds very quickly when you contact him and helps you with everything.
I would definitely recommend the apartment.