It is a national examination preparation app for care workers that contains 1000 free questions without any additional paid questions or membership registration. Basically, 20 questions are randomly asked, but you can try each category. In addition, there is a function that allows you to retry only the wrong question, saves the history of test results, and provides various useful information for care workers. Now, if you want to be a caregiver or a care worker, use this app to try your goals! *