We had a great experience in this apartment. Comfortable, clean, Massimo and Bonny provide you all you need (towels, shampoo for shower, kettle, coffee, tea, water). There is also a good wifi connection, tv with international channel. It is just out of the area of Prague 1, but there are tram and bus stops to reach the centre close by. but even by walk in 15 minutes you are in the centre. Also there are restaurants and minimarket all around.
We arrived late in the evening, around 11 pm, but there was no problem to get the apartment at that time.
So we definitelyrecommend it to all people that are planning to go to Prague.