My hotel room was comfortable. The location was in an interesting area. The restaurant section. The hotel is not centrally located. Taxis are inexpensive in Seoul, so getting to the city center wasn't a problem. I recommend the Zip Hotel if you're looking for an affordable, clean, safe place to stay.
Staff is very helpful and friendly. Need to pay 10,000 won to use washer and dryer. Check-out at 2pm was great. Staff even give a call 30 mins before check-out time as a reminder.
I stayed for the weekend of a businesst trip. The room are quiet and clean, the staff is very polite. Wifi is very good.
There is the possibility to make a simple but free self service breakfast with egg, bread, jam, cereals and coffee.