EJU One

EJU One

An all-in-one EJU study companion with an original question bank, a built-in bookstore, and deep analytics for targeted practice.

Download on the App Store
Original question bank Bookshelf & Bookstore Topic-focused practice Mistake-trend analytics

Everything you need to prepare

Built specifically for EJU candidates, by an EJU graduate — now with an original question bank and a fully integrated bookstore.

Bookshelf
Organize every question pack you own — official titles, publisher books, and your own imports — in one place.
Bookstore
Browse and purchase licensed question books from multiple publishers, or add free titles directly to your shelf.
Original Mock Practice
Full timed mock sets crafted in-house by the EJU One team — independent, original content modeled on the real exam format.
Topic Practice
Drill specific question types and topics — focus exactly where you need the most work.
Option-Level Explanations
Every choice — right or wrong — comes with a clear explanation, plus a question-type tag so you understand what's being tested.
Mistake-Trend Analytics
Visualize how your wrong-answer rate changes over time and pinpoint the question types you slip on most.
Category Distribution
Per-book breakdowns of question types so you can see at a glance what each set is really testing.
Listening Mastery
Dedicated training for Japanese listening and listening-reading, with per-question replay.
Wrong Answer Book
Auto-collect mistakes and review them until you've mastered every one.
Bookmarks & Word Cards
Save key questions and build vocabulary flashcards for quick, repeated review.
Custom Imports
Import your own question sets locally to build private books — perfect for tutors and self-curated practice.
Cloud Sync & Offline
EJUOne Pro syncs your data across devices, and audio + question packs can be downloaded for offline study.

Designed with care

Warm, focused, and built for long study sessions.

All EJU subjects covered

From Japanese to natural sciences — everything in one place.

Japanese
Reading · Listening · Combined
Mathematics
Course 1 · Course 2
Comprehensive
Social studies
Physics
Natural science
Chemistry
Natural science
Biology
Natural science

What's New

Latest updates and improvements.

2026-05-28 · v2.0.0
2026-05-01 · v1.2.0
2026-04-13 · v1.1.0
2026-04-11 · v1.0.0