Comparison

E.J.C Science&Tech Dictionary vs 快译通日华华日辞典

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

E.J.C Science&Tech Dictionary

This application provides a quick reference for scientific and technical terms in English, Japanese, and Chinese. It offers offline access to a large database of words, allowing for fast lookups and easy navigation through search history and bookmarks.

Highlights
  • Offline dictionary access
  • English, Japanese, Chinese terms
  • Search by prefix or partial match
  • Bookmark and history functions
  • Quick word lookups
  • Large word database
Features
Read full description

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.

About

快译通日华华日辞典

Features
Read full description

Transwhiz 发行,实用日中双向词典。 本 app 是快译通公司授权 Transwhiz 特别为日文学习者精心设计的辞典。 快译通以发音与版权着称,日华华日辞典全日文词汇、例句真人发音,并收录版权辞典,是您学习日语的最佳学习工具! App 特色: ◎目前唯一日文单字、例句全部日籍老师真人录音,让您体会标准道地的日语发音。 ◎收录建宏、建安出版社授权日华、华日、外来语辞典。 ◎可查中日辞汇超过13万词条及近35000例句。 ◎收录语调、汉字、词性、例句、同反义字词、变化形、惯用语…等丰富内容。 ◎单字均有语调标示,并提供汉字罗马拼音。 ◎可以“日、中、英”三种语言检索方式查询。 ◎笔记本功能,建立自己的复习笔记本,让学习更有效果。 ◎可直接切换日中/中日查询,并可查阅历史纪录,使用简易方便。

Screenshots

E.J.C Science&Tech Dictionary1 screens
快译通日华华日辞典4 screens

Verdict

The call

The clearest difference is review sentiment: 快译通日华华日辞典 at 79% against E.J.C Science&Tech Dictionary's 0%. 快译通日华华日辞典 also leads on update cadence (every 3 months vs every 13 months) and iOS requirement (11.0 vs 15.6). E.J.C Science&Tech Dictionary's advantage is price ($3.99 vs $6.99). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

E.J.C Science&Tech Dictionary costs $3.99 and 快译通日华华日辞典 $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

E.J.C Science&Tech Dictionary ships an update every 13 months, 快译通日华华日辞典 every 3 months. Both last shipped on November 10, 2026.

Scorecard4 real differences · 6 level
E.J.C Science&Tech Dictionary versus 快译通日华华日辞典: the parameters behind the verdict, then further details
ParameterE.J.C Science&Tech Dictionary快译通日华华日辞典
Price$3.99 — better$6.99
Rating—4.0 (3 ratings) — better
Positive reviews0.0% of reviews79.2% of reviews — better
Number of ratings—3 — better
Update frequencyEvery 13 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size67 MB585 MB
Age rating4+4+
DeveloperAOBO Co.,LtdOtek International Inc.

Customer experience

E.J.C Science&Tech Dictionary

Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

快译通日华华日辞典

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews24 reviews
Positive79.2%
Neutral8.3%
Negative12.5%

In-app purchases

None

E.J.C Science&Tech Dictionary

No in-app purchases

None

快译通日华华日辞典

No in-app purchases

Questions

Is E.J.C Science&Tech Dictionary free?
E.J.C Science&Tech Dictionary costs $3.99, with no in-app purchases.
Is 快译通日华华日辞典 free?
快译通日华华日辞典 costs $6.99, with no in-app purchases.
Do E.J.C Science&Tech Dictionary or 快译通日华华日辞典 have ads?
Neither E.J.C Science&Tech Dictionary nor 快译通日华华日辞典 shows ads.
Which is updated more often, E.J.C Science&Tech Dictionary or 快译通日华华日辞典?
E.J.C Science&Tech Dictionary ships an update every 13 months, and 快译通日华华日辞典 every 3 months. Most recently, E.J.C Science&Tech Dictionary was updated on November 10, 2026 and 快译通日华华日辞典 on November 10, 2026.

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