Eijiroid

In-app purchases
Content rating
Everyone
50K+
Downloads
Content rating
Everyone
In-App Purchases
Learn more
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About this app

An offline English-Japanese and Japanese-English dictionary for Android with the data of Eijiro, Waeijiro, Reijiro and Ryakugoro. The data is stored on your device, so you can search without an internet connection.

This app is a trial version. You can buy the dictionary data in the app.

On the trial version, you can only search for words beginning with "A", "a", "B", "b", "C", "c", "あ", "い" and "う".

1. Price

Initial purchase: 780 yen
Upgrade price: 780 yen (to buy the latest dictionary data after the initial purchase)

※ Other currencies are converted automatically by Google Play.

2. Specifications

Operating environment: Android 7.0 or later.
Storage required: About 2.1GB (Temporary about 4.0GB during installation).

※ Please be aware of data charges from your service provider if not using Wi-Fi to download the purchased dictionary data.

3. Features

- Look up whole text: paste or share English text to look up its phrases and words at once.
- Check examples: see whether expressions appear in Reijiro's example sentences.
- Review: flashcards for words in your bookmarks and history.
- Look up with camera: read English text in a photo on your device and look it up.
- Offline dictionary
- English-Japanese, Japanese-English, abbreviations dictionaries
- Search example sentences
- Incremental search
- Quick search
- Audio output (English)
- Bookmarks (backup to / restore from Google Drive)
- Dark and Light themes

Terms of Use

1. The use of the included dictionary data is permitted only on this product. It is prohibited to illegally extract dictionary data from the Android device (including external storage) or use it on other devices.

2. Eijiroid and EDP (provider of dictionary data) do not guarantee the accuracy, reliability, usefulness, eligibility, currency, or any results that may occur from using the dictionary data. We do not provide any support regarding the content of the dictionary data.

3. Eijiroid and EDP shall not be liable for any direct or indirect damages, losses, disadvantages, mental distress, etc. caused by the user's use of said data. Please use the dictionary data at your own risk.

4. According to the dictionary data license agreement with EDP, we do not provide free version updates for purchased dictionary data. When the latest dictionary data is released by EDP, this product will be updated so that the latest dictionary data can be purchased. With the version update of this product, the purchase of old dictionary data will no longer be possible from this product.

5. All support for this product is provided by Eijiroid. Please refrain from contacting EDP, including regarding dictionary data.

6. The copyright of the dictionary data produced by EDP belongs to EDP. It is prohibited to copy, distribute, or reprint data to a third party, include data in products, or build a system where data can be used by multiple users without obtaining prior permission from EDP.

7. EDP's goal is to digitize various words and expressions used by humans in a bilingual format. Therefore, please be aware in advance that it may contain bad words, vulgar words, discriminatory words, obscene words, radical expressions, and expressions that are not necessarily appropriate in light of modern social norms. EDP has no intention of actively using or encouraging the use of such expressions.

8. Users can use this product on their own Android device only if they agree to all of these terms of use. Distribution to third parties in any way is prohibited.

9. Communication costs for downloading Eijiroid and dictionary data are borne by the customer. Eijiroid assumes no responsibility for communication costs.

10. Dictionary data can be downloaded from the remote server for 3 years or up to 10 times after purchase. If you require more than this limit, please purchase a dictionary data upgrade.

* "Eijiro" is a registered trademark of Sachiko Michibata.

Last revised: December 29, 2016
Offline English-Japanese dictionary with Eijiro. Look up a whole text at once.
Updated on
Sep 28, 2026

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
  • This app may collect these data types
    Financial info and App info and performance
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

- Added the Look up whole text tab: paste English text, or share it from another app, to look up its phrases and words at once
- Added Check examples: see whether expressions appear in Reijiro example sentences
- Added Review: review words from your bookmarks and history, filtered by level
- Added Look up with camera: read English text from photos and images
- Added the privacy policy to Settings and updated the Terms of Service
- Bug fixes (inquiry email, Google Drive sign-out, etc.)
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
EIJIROID
eijiroid@gmail.com
5-14, KINKOCHO, KANAGAWA-KU QUADRIFOGLIO 8F. YOKOHAMA, 神奈川県 221-0056 Japan
+81 90-3726-4074