"新TOEICテスト 英単語・熟語 マスタリー2000" is a comprehensive iPhone app designed for TOEIC test takers. It includes 2,200 carefully selected English words and phrases, with 1,800 high-frequency words, 200 essential phrases, and an additional 200 business words from the revised 4th edition. The app offers various learning methods, dividing words into sets of 10 with 3-step learning processes. Progress is tracked via bar graphs for easy monitoring. Handwriting input enhances learning efficiency, and audio data for all words aids in listening comprehension without needing to look at the screen.

The app features include word learning, listening exercises, marker functions for tracking performance, flashcard features for comprehensive word lists, and settings for customization such as volume control and synchronization with Studyplus for progress tracking.