e-ONIGIRI英単語

In-app purchases
5K+
Downloads
Content rating
Everyone
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About this app

[Discount Campaign Underway] -------------------------------------------
All courses and stages available for ¥300 per month or ¥1,800 per year!

Until May 6th, 2026 (Wednesday)!

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An English vocabulary app provided by Iizuna Shoten, the publisher of the over 2.2 million-copy bestselling English grammar and usage reference book, "Vintage."

● Learn in a fun way!

As you continue studying, you can earn points, receive Onigiri characters, and take placement tests (skill assessment tests) repeatedly.

● Includes approximately 10,000 words worth memorizing!

Supervised by Professor Shigenori Tanaka, Professor Emeritus of Keio University, this app includes approximately 10,000 words considered worth memorizing for Japanese English learners. Approximately 2,500 words can be learned for free.

● Suitable for junior high school students to working adults!

This app alone can be used to learn English vocabulary from junior high school to high school and university entrance exams.

● Learn at a level that suits your vocabulary!

The placement test (skill assessment test) allows you to set a learning range that matches your vocabulary level.

● Effective training for lasting memory!

Efficiently learn only the words you don't remember with training based on test effectiveness theory, such as "reviewing yesterday's lesson" and "memorizing."

● Seven different question formats!

A variety of question formats are available. In addition to "English to Japanese multiple choice" and "Japanese to English multiple choice," there are five other question formats.

● Listen to pronunciations! Look up English words!

You can listen to audio for English words, example sentences, and phrases. It also includes a dictionary function to help you deeply understand the words you want to look up.

● Learn with flashcards!

Flashcards are provided so you can learn words one by one, just like with card learning. You can also study only the words you don't remember.

● Your learning is recorded!

The "Word List" and "Vocabulary Notebook" menus show you what you've memorized and how much. The "Progress Chart" also shows your learning status.

◎Support
Please submit your questions through the in-app inquiry form.

◆Eiken® is a registered trademark of the Japan English Proficiency Association. This app has not been approved, endorsed, or otherwise reviewed by the Japan English Proficiency Association.

◆TOEIC® L&R TEST is a registered trademark of ETS. This app has not been reviewed or approved by ETS.

■e-ONIGIRI English Vocabulary Terms of Use
https://www.iizuna-shoten.com/e-onigiri-terms/
Updated on
Dec 25, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data isn’t encrypted
You can request that data be deleted

What’s new

各stageの単語数を30から10に引き下げました。
新キャラクターを追加しました。

App support

Phone number
+81358264375
About the developer
IIZUNA SHOTEN CO., LTD.
sakuma@iizuna-shoten.com
1-32-8, TAITO CROBISAKIHABARA4F. TAITO-KU, 東京都 110-0016 Japan
+81 3-6803-2524