We stayed for a week at Rose and Mustafa's place. The apartment has a lot of character and is well stocked. The walls are a little thin so you can hear the neighbors occasionally but it wasn't terrible. The apartment is about a 5-10 minute walk to the area with cool and trendy restaurants in Cihangir.
The other reviews about how great the hosts are were accurate. We've stayed in countless AirBnBs, Rose & Mustafa are certainly one of the nicest and most helpful hosts we've encountered.