The 공인중개사 부동산학 개론 OX퀴즈 app by Taeho Song is an Android-based application that allows users to study the contents of the first stage of real estate agent certification exam through OX quizzes. The app encourages users to completely understand the concepts by thoroughly studying the reference book and answering a lot of questions. The app is consistently updated with new questions and improvements.

The app offers various features including the ability to answer questions in OX quiz format, review incorrect answers in the error note function, and the option to prevent previously solved questions from appearing. Furthermore, users can submit their own questions for others to solve and can access video lectures through the app. Additionally, the app provides statistics on the user's performance and overall performance of all users.

The app is free to use, but users can make in-app purchases to access unlimited questions and remove ads from the app.