Cuánto sabes de Matemáticas is a free trivia app available on the Android platform. The app is designed to test the user's knowledge of mathematics through a simple quiz. The user can select one of the three levels: "primary," "secondary," and "university." Each level includes 20 random questions related to the chosen level. At the end of the quiz, the user will receive a brief summary of their performance and knowledge of mathematics.

The app's interface is straightforward and user-friendly, making it easy to navigate. The questions are challenging and cover a wide range of mathematical concepts. Overall, Cuánto sabes de Matemáticas is an excellent app for those who want to test their math skills or learn more about mathematics.