It is very simple: hemp oil is made from hemp seeds and does not contain any cannabinoids. Its price is around CZK 200 per 100 ml. It is used in cold cuisine and is rich in omega fatty acids.
In contrast, CBD oil contains a variety of cannabinoids. It consists of a carrier (either hemp oil or MCT oil made from coconut), where the hemp extract, which contains a wide range of cannabinoids, is dissolved. It is sold in 10 ml bottles, the usage is per drops according to the strength of the extract, which is stated on the package.