We stayed at Daphne Pera for 2 weeks and we loved it.
This apartment is ideally placed, just a few steps away from Taksim.
The rooms were very clean and exactly like the pictures.
Overall the building is nicely decorated and very quiet (great if you have a baby)
I would recommend this place if you want to discover Istanbul. In front of the building, It can be a little steep though for a stroller.