★★★ Also compatible with "Learn the Core: Best Style Classical Japanese Vocabulary 351" (first edition July 7, 2025). ★★★
The headword numbers and page numbers are the same for both books.

For users of the previous version (versions with or without "New" in the app name)

Your "Solo Study" records cannot be transferred to the "Revised" version. If you want to keep your records, please install the "Revised" version anew (additionally) without deleting the previous version.

Your "Group Study" records can also be accessed in the "Revised" version by rejoining the group you were previously in from the "Revised" version.
However, you will be registered as a new member in the "Revised" version. If you want to update your previous records, please take the test in the previous version (it will be easier to understand if you try it out).

[Basic Specifications]
Efficiently study the 351 classical Japanese vocabulary words (※) featured in this magazine in three modes.
Packed with features to help you continue your study, including screen displays and messages that change depending on your learning progress.
You can compete with your friends and classmates on test scores from anywhere (packet communication or Wi-Fi connection required).

Compatible with the new version (October 1, 2018 and later).

Downloading the app is free. However, download costs are the responsibility of the user.

After installation, a packet communication or Wi-Fi connection is required only to use the "Group Study" feature (not required for "Study Alone." No data or gigabytes are consumed when connected to Wi-Fi).

There are no charges after installation.

[Key Features]
■Screen displays and messages that change according to your study status
The top screen displays and messages change depending on the time, date, number of questions memorized, and number of consecutive days of study.

■Study effectively with three modes
1. 10-Question Challenge
You can start a 10-question test immediately.
2. Custom Challenge
You can customize the scope and number of questions.
3. Improvement Training
The app collects and presents questions based on your weak points. An endless mode is also available.

- All questions are multiple-choice with four options.
- You can also check the core of each word for each question.

■ Practice in groups
You can freely create online groups and share test results and rankings with group members.

■ Visually check your learning record
■ Visually check your learning record
Graph your vocabulary acquisition rate. You can also check past results.
You can view all the words you've learned, as well as their meanings and core concepts.
We provide a tile list that changes color depending on the words you've learned. You can see your progress at a glance.