I have stayed in about 12 different apartments with them. They changed 3 on me on what I booked. It is common practice. All the apartments were good quality. The ones I was swapped to were better than the ones I booked though one was a bit remote like 20 min walk to Kreshatik. Was very sick on one occasion and they organised a doctor to visit and apartment manager came to translate for free. I used two other agencies but got better service from uaapartments. Of course I am now one of their best customers.