Simulador ECOEMS is an educational app designed specifically for students preparing for the entrance exam to upper secondary education in the Metropolitan Zone of Mexico City and the State of Mexico. This free application offers interactive lessons across 11 subjects, practice exams, and a progress tracking system to help users assess their readiness. The app's engaging features include a ranking system, XP levels, and motivational streaks to encourage consistent study habits.

The subjects covered in the app include Verbal Ability, Mathematics, Spanish, Physics, Chemistry, Biology, Geography, History of Mexico, Universal History, and Civic and Ethical Formation. While it is important to note that Simulador ECOEMS is an independent project and not affiliated with any governmental educational authority, it provides a valuable resource for students aiming to boost their scores and confidence prior to the exam.