Very good hotel for its price. You can walk to the Krakow city center very easily, the employees speak English and the check-in procedure was fast.
I booked the cheapest and smallest one person room. The room is small, has no storage space and a small and outdated bathroom. This was not a problem for me, given the price, but should be taken into consideration. However the bed was very good and the room was good sound isolated. My room was in front of the elevator and I wake up to sounds quickly, but my night was never disrupted.
The breakfast offering was simple and small, however good for its price.
My conclusion: If you are looking for a cheap hotel that is very good at its basics function and you don't mind a simple room and simple breakfast options I would absolutely recommend. I intend on visiting Krakow again and I will absolutely book again.