Apps by AOBO Co.,Ltd
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Reference

E.J.C Science&Tech Dictionary

AOBO Co.,Ltd

$3.99 In-app purchases unconfirmed
Open on Apple

About this app

If your job involves Japanese/Chinese words in the field of Science & Technology, maybe this application can help you to finish your work quickly and correctly, because it is an application running on iPhone/iPod Touch, not a heavy book, you can take it out, and look up your words quickly as long as you want to do. This application collected 552,707 well-used words (English/Japanese/Chinese(s)) in the field of Science & Technology from various aspects, such as Machinery, Computer, Electronics, Engineering, Telecommunication, Chemistry, Energy, Biology and so on. we hope this application can give you a big help. Features: 1, Easy to use and offline. Just input the word(English/Japanese/Chinese) in the searching field and the searching result will be displayed. User can set searching mode to prefix or partial. Drag the screen up and new words in the searching result will be showed automatically. 2, Bookmark & history function. You can put the important word to bookmark by touching the '+' button on detail screen. Every word you referenced will be add to history automatically. 3, English, Japanese, Chinese are supported on the detail screen. If a word has meaning in English, Japanese, Chinese at the same time, all the word will be showed on the detail screen. Tapping the word on detail screen, it will be inputed into searching field, so you can perform a new searching. 4, Large volume. There are 552,722 well-used words(English/Japanese/Chinese(s)) in this application, it can fulfill your needs in most case. Supported language: English, Japanese, Chinese Notice: 1, Partial searching mode is faster than prefix mode in searching word of Chinese/Japanese. 2, This application only give a quick reference for a word in English and corresponding Japanese and Chinese, NOT the explanation of the word. 3, It is NOT TRUE that a word in English is always followed by the corresponding Japanese and Chinese. 4, It takes more time in searching word of Japanese/Chinese than in English, and the latest device(3GS) always has a very faster response than the old one in searching operation.

Latest release

What’s New

Version 1.73 Jun 23, 2025

Supported the latest OS.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 13, 2026 · 0 ratings Aug 13, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current $3.99
Historical low USD 3.99
Paid → free
Price history
Current $3.99
$3.99 $2.00 Free Aug 13, 2026 · $3.99 Aug 13, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 13, 2026 · 2:08 AM $3.99

Screenshots

E.J.C Science&Tech Dictionary iPhone screenshotE.J.C Science&Tech Dictionary iPhone screenshotE.J.C Science&Tech Dictionary iPhone screenshotE.J.C Science&Tech Dictionary iPhone screenshot E.J.C Science&Tech Dictionary iPad screenshotE.J.C Science&Tech Dictionary iPad screenshotE.J.C Science&Tech Dictionary iPad screenshotE.J.C Science&Tech Dictionary iPad screenshot