保健師のたまご過去問 is a free iPhone application designed for Education & Reference purposes. The app runs smoothly and offers a review feature for efficient studying. Users can tackle numerous problems and scroll through questions and choices simultaneously in the upper and lower areas. Incorrectly answered questions are recorded and displayed above the problem statement. Additionally, a feature allows users to focus on revising only the questions they got wrong. Users can continue where they left off even after returning to the home screen. The app also provides a clear indication of questions that need further review, allowing manual adjustments for personalized studying. Users can enlarge images, progress to the next question without answering, and report any typographical errors found in the questions. The app is equipped with optimal features sourced from the Ministry of Health, Labour and Welfare, offering an effective study tool that welcomes user feedback.