Of course, I read iriver's dictionary and used the dictionary of the Institute of National Culture of Korea University. So the number of words is the same. It depends on the preferences of the landlord.
Regarding the purchase, it is suggested that the landlord buy it on Taobao. It is reasonable to shop around. As I am in Korea, I don't recommend that you ask me or your friends in Korea to buy it for you. Postage is expensive. They have their own channels on Taobao, so I think the price is reasonable.