We went to Porto for 4 days and were really glad to stay in this place.
The apartment is small but has everything you need: it is clean, cozy, super central and has a nice little balcony with a view on Porto‘s charming rooftops. The supermarket is just 5 minutes walking and you have a lot of nice places really nearby. We loved it because it was in the middle of everything with vintage stores, nice cafes/restaurants and bars nearby. Even the typical sightseeing monuments and places are almost all easy to reach by feet. The apartment is quite and light and the bed is really comfortable. It has a small basic equipment to cook which is definitely sufficient for a few days. Those who want to stay longer and need more than that can only walk to the Pingo Doce supermarket nearby.
All in all I would definitely choose the apartment again! Enjoy your stay and ask Marta for some nice tipps, she was very helpful to us and answered quickly :)