Approbar U, also known as Apprueba U, is an Android application developed by Replace Inc. It is a simulator designed for postulants who want to prepare for university entrance exams. This free app is categorized under Education & Reference and is an excellent tool for students who want to test their knowledge and evaluate their performance.

The user interface of the app is very intuitive and easy to use. It offers a wide range of questions on different topics, including mathematics, physics, history, and language, among others. The simulator provides a time limit for each question, which helps students improve their time management skills. Additionally, the app allows users to review their performance and provides detailed explanations for each question.

Overall, Approbar U is an excellent app for students who want to prepare for university entrance exams. It is free and offers a wide range of questions on different topics, making it an ideal choice for students who want to test their knowledge and evaluate their performance.