Irem is an incredible host. On the day I had to leave for the airport, I accidentally locked myself out of the apartment. I called irem at 7 in the morning on a weekend to ask for help, within half an hour, I got the backup keys to get into my apartment and made it to the airport on time. It's really hard to find a host that would be so helpful like this, especially in Istanbul where people are typically not friendly.
On the apartment side, it's situated near taksim, which is the touristy new area of Istanbul. It's in a good location, steps away from the tram that takes you to the water front, and steps away from the bus station that takes you any where. It's also very close to galata tower. Apartment is in a good shape, clean and as shown in the pictures. Really enjoyed my stay.