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“Eijiro on the WEB” is a bilingual English and Japanese database search service available on the ALC website and has been loved by many Japanese English learners and users. This is an application to use “Eijiro on the WEB” on the iPhone and iPod touch in optimized conditions. It is designed specifically for smartphone which enables users to quickly search for English words and phrases anytime and anywhere. Also, this new edition is compatible with “Pro edition,” a fee-based service with registration.
*The database includes two million and 150 thousand English-Japanese index words (version 147: as of March 30, 2016).

iTunes Rewind 2010 Awards winner

*Internet connection is required for using the application (do not have a built in data dictionary).

Main features (“Eijiro on the WEB” free edition)
Users can search for information in “Eijiro” database using various search techniques. All search operators available for “Eijiro on the WEB” can also be used in the application, including prefix search, partial match retrieval, AND search, OR search, and variation search, etc.

The database is updated every two months and allows users to search using the latest Eijiro database. The update of database is performed in our (ALC) server so users do not have to worry about upgrading their database and can always access to the latest data.

Search results are automatically presented in an incremental manner, which allows users to find their search terms quickly.

Main features (“Eijiro on the WEB” [Pro edition], fee-based service with registration )
Pro edition is a fee-based, upgraded version of “Eijiro on the WEB” and the Pro users are provided with enriched database and functions.
[No display ads] Advertising or promotions of any kind is not displayed.
[Vocabulary list] Users can make their own vocabulary list up to 5000 words.*
[Example sentences] Over a million example sentences are included and more than 5000 new sentences will be added every two months (not available in free edition).*
[Search history] Users can list up to 50 most recent searches.*
[Information sharing with browser] Vocabulary list and search history are shared with users’ own computer browser. *

The functions marked with * are available when users log in with ALC e-mail ID.

Price: 400 yen monthly (including tax, Automatic Renewal)

The service fee is charged to users’ iTunes account via automatic renewal payment system (Apps built-in function).
Subscription will renew automatically unless users turn off Automatic Renewal at least 24-hour before the end of the existing period (Automatic Renewal fee is charged during 24-hour before and the end of the existing period).
To set up or turn off Automatic Renewal, tap “Settings,” next tap “iTunes & App Store,” then “View Apple ID,” lastly tap “Manage.”
The cancellation of the service for a current subscribed month is not accepted.
The use of this service requires the consent of the "Terms of Use". See below for "Terms of Use" and "Privacy Policy".

*”Eijiro” is a registered trademark of Sachiko Michihata.
* For any inquiries for the application or “Eijiro on the WEB” services, please contact ALC Press.

What’s New

Version 2.2.29

minor bug fixes.

Ratings and Reviews

4.7 out of 5
1.8K Ratings

1.8K Ratings

凄井 ,


Second to none

Nokl9912 ,

This makes me input my log information often.

Stressful sometimes

nbnniiiicccckjjj ,

Good but slow till result of search appears

Good but slow till a result of a search appears


42.2 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Infrequent/Mild Mature/Suggestive Themes
In-App Purchases
  1. 英辞郎 on the WEB Pro $2.99
  2. 英辞郎 on the WEB Pro $41.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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