小站托福单词-ETS正版托福真题词汇 is a specialized vocabulary building app for TOEFL aspirants. It offers a targeted approach towards vocabulary building by selecting high-frequency words from ETS authorized official TOEFL tests. The app also employs a memory algorithm that is researched and designed by experts at 小站教育. This algorithm categorizes words based on their usage in speaking, listening, reading, and writing sections of the TOEFL test. The app also uses memory curves to optimize the retention of new words.

The app offers a comprehensive approach towards vocabulary building by providing students with a collection of high-frequency words from ETS authorized official TOEFL tests. The app also offers subject-specific vocabulary building by providing students with a collection of words from various subjects like astronomy, geography, history, and biology. The app also offers a unique feature called "Word Radio," which is a collection of popular TOEFL wordbooks that can be accessed anytime, anywhere. The app's memory algorithm, which combines Ebbinghaus' memory curves and Supermemo's memory method, helps students retain the learned words effectively.