Data sufficiency is the ability to answer a question with the information you have. It is the most basic and fundamental part of the GMAT exam. To prepare for this section, we have developed an adaptive course. This course is unique because it can adapt to the knowledge of each student. As you study with this app, it learns what you know and how you know it. This makes the course more personalized and effective for each user.

The app can analyze your responses to determine your knowledge level. If you are unsure of a response, you can swipe to show the question to the app for a more accurate and personalized response.