NewCompleteMaster N3 Word Book is an educational Android app developed by InPeria. This app allows users to listen to all the headwords and reading passages from the textbook “改訂版 新完全マスター単語 日本語能力試験N3 重要1800語”. The audio content in the app is provided free of charge, while there is a fee for displaying translations.

In this app, users can memorize 1,800 words categorized by part of speech or category, with around 25 words in each section. Pronunciations can be confirmed through recordings, and users can mark words as learned. Additionally, there are sections to review words that haven't been marked as learned and 20 reading passages, each about 250 words long, available for listening and reading simultaneously.