The "경찰 공무원 시험 기출문제" app by Trutory is a comprehensive collection of past exam questions for the Korean police recruitment, promotion, and officer candidate exams. With a total of 11,560 questions, the app covers the exams from 2009 to 2023.

For the police recruitment exam, there are 4,880 past questions available, with explanations provided for 3,380 of them. Users can also purchase additional explanations for various subjects through in-app purchases.

Similarly, for the police promotion exam, there are 3,960 past questions available, with explanations provided for 1,820 of them. Users can also purchase additional explanations for various subjects through in-app purchases.

The app also offers the latest updates for the exams, with the 2023 revisions reflected in the explanations for subjects such as criminal law and police studies. Users can easily navigate through the app to select the exam they are interested in and choose between viewing questions by subject or by year.

With features like bookmarking, automatic scoring, and the ability to resume where you left off, the app provides a convenient and efficient way to study for the exams. In-app purchases are available to access additional explanations and remove ads.

Overall, the "경찰 공무원 시험 기출문제" app by Trutory is a valuable resource for those preparing for the Korean police recruitment, promotion, and officer candidate exams, providing a wide range of past questions and detailed explanations.