Stayed at Olga's place for 3 nights. Olga is really nice person. However, she doesn't speak English at all.
Apartment is really modest but it did not matter since I was aware of it and Olga even mentioned it to me before I did the booking.
Three things to consider if you're planning to stay at Olga's place. First, the apartment is not made for people over 175 cm. Second, the toilet is in the corner of the room so there is no bathroom. Third, same thing with the shower as toilet. For me going to shower was bit tricky since I had to stand stooped to be able to fit there.
Otherwise it was a pleasant stay and I can recommend the apartment if above mentioned points are not bothering for you.