HAI 공무원 한국사 is an educational app developed by Educere Ltd, available on the Android platform. This free app is designed to help individuals prepare for the Korean civil service exam for grade 9 positions. The app offers a variety of question types for different job categories, including national, local, police, education administration, and firefighting grades.

Users can access solutions for problems by session, detailed subject classifications, create custom question sets, identify weaknesses for targeted improvement, automatically generate review notes, and engage in repetitive learning through mock exams. HAI 공무원 한국사 aims to provide a comprehensive study experience for those aspiring to excel in the civil service sector.