How much are courses?
The first unit of many courses are freely available to get a sample of the course. To full use a course, it can be purchased on a single pay-per-item basis. Courses prices are listed on the locked units and start at US$3.99. Purchasing a course gives you unlimited premium access to that course.
EnglishCentral offers premium course content from Cengage, National Geographic Learning, Cambridge University Press, ABAX, Creative English Solutions and Garnett.