OpoZulo: Planifica Oposiciones is a free Android application designed to assist users in organizing their study routines for civil service exams in Spain. It features an adaptive study planner that utilizes a unique algorithm to optimize study schedules, helping users manage their workload effectively while reducing anxiety and procrastination. The app offers a dynamic dashboard that displays daily study goals, retention percentages, and exam likelihood, tailored to the user's progress and feedback.

The application incorporates various productivity tools, including a Pomodoro timer for focused study sessions, a visual retention traffic light system to categorize topics by mastery level, and a heat map for tracking study consistency. Users can also export their progress reports in PDF format. With offline functionality and a commitment to user privacy, OpoZulo ensures that all notes and data remain secure and local.