Topcoz app for iPhone and iPad

* Main features of Topcoz
- You can take listening, reading and writing mock tests of Korean certificates such as TOPIK, KLAT, KIIP, EPS-TOPIK.
- You can take a mock test with a given time similar to an actual test. After submitting the test, you can review your score and your submission details at any time.
- You can practice each question in the test. Each question has hints. If it is a listening question, an additional audio player and content script of the audio are included to help practice listening repeatedly.
- You can take a random mock test. The test will be automatically generated by randomly taking questions from the database. Every time you take the random mock test, different questions are generated to help you prepare for the test most effectively.
- You can search for test name or test content.
- In addition to the above main functions. The app also shows a Leader Board that obtained the highest score for each test. Users can exchange learning experiences with each other by posting comments in the discussion tab.