The CliffNotes website offers study aids that include LitNotes on Shakespeare and other classic literature, and notes about topics in science, math, writing and some foreign languages. These guides are free to read online.
An additional study aid featured on the CliffNotes website is an app, which users download to an Apple iPhone, iPod Touch or iPad and enables them to continue their studying anywhere at anytime. The website also offers downloadable flash cards to help students prepare for the AP English Language, English Literature and U.S. History tests. CliffNotes.com also offers study guides for customers preparing for standardized tests, such as the SAT, GRE and ACT.