Comp Tech Terms Dict (Jpn vs Japanese Technical Dictionary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comp Tech Terms Dict (Jpn
Instantly find Japanese or English translations for technical terms across 19 major scientific and engineering fields. This comprehensive dictionary offers over 1,000,000 entries, accessible offline, for professionals, students, and translators.
- 1,000,000+ technical entries
- Covers 19 major technical fields
- Offline access
- Search by field or globally
- Search history
- Bookmarking
- Dual English/Japanese interface
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Do you know how to say "multivariable adaptive control" in Japanese? With this application you can immediately find the equivalent of 多変数適応制御. At home, at work and on the go, translators, students and professionals will often encounter technical terms for which they need to quickly look up their Japanese or English translations. This Japanese - English Comprehensive Technical Terms Dictionary, compiled by The CJK Dictionary Institute (CJKI) in Japan, covers all major scientific and technical fields and is the only application on any mobile platform that provides comprehensive coverage of technical terminology. This application, with a user interface in both Japanese and English, includes both English-Japanese and Japanese-English dictionaries that provide access to a total of approximately 1,000,000 technical entries. While several Japanese-English general vocabulary dictionaries are available for the iPhone, there are few specialized dictionaries that meet the specific needs of professionals, translators and students, while those that are available are prohibitively expensive and of limited coverage. With this application, you get a database of technical terms with extensive coverage at your fingertips for a reasonable price. Please note: This app contains translation equivalents for each term, not explanations of each term's meaning. FEATURES * Both dictionaries combined contain over 1,000,000 entries * Designed for both English and Japanese users * Covers 19 major technical fields, including medicine, IT, chemistry, civil engineering, and much more * Search by individual technical field or globally * All this data is instantly accessible right on your device -- no Internet connection required * What was that word you just looked up? Check the history! * Easy bookmarking puts important terms a tap away * Clean, easy to use interfaces in both English and Japanese COMPREHENSIVE COVERAGE This app contains terms for the following scientific and technical fields: Agriculture, forestry and fisheries Automobiles Business and economics Chemical terms Civil engineering Electrical and electronic engineering Environmental terms Food Geology and astronomy IT and computer terms Life sciences Mathematics Mechanical engineering Medicine and pharmaceutics Mental sciences Metallurgy Military Physics and nuclear engineering Transport ABOUT CJKI The CJK Dictionary Institute is directed by Jack Halpern, editor of the New Japanese-English Character Dictionary and The Kodansha Kanji Learner's Dictionary, now standard reference works.
Japanese Technical Dictionary
Access a comprehensive Japanese dictionary with over 175,000 words and translations in seven languages. This app provides offline access to technical, academic, and scientific terms, searchable in Hiragana, Katakana, or Romaji.
- 175,000+ words
- Translations in 7 languages
- Offline database access
- Technical and academic terms
- Search in Hiragana, Katakana, Romaji
- No Japanese keyboard needed
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Introducing one of the easiest Japanese dictionaries with over 175,000 words with translations in seven languages - that's more than 1 Million different keywords to search through. Includes technical, academic, scientific words as well as special words that may not be used in every-day conversational Japanese. Access the full database offline, without an internet connection. The Full Dictionary includes access to the all Japanese translations of: - English: 175,000 words - Spanish: 33,000 words - French: 15,000 words - Italian: 40,000 words - German: 110,000 words - Russian: 7,000 words - Dutch: 25,000 words Plus it's easy to search in Hiragana, Katakana or Romaji at anytime - no need to install the Japanese Keyboard to find words!
Screenshots
Verdict
The clearest difference is review sentiment: Japanese Technical Dictionary at 100% against Comp Tech Terms Dict (Jpn's 57%. Japanese Technical Dictionary also leads on price ($1.99 vs $9.99). Comp Tech Terms Dict (Jpn's advantage is iOS requirement (9.0 vs 26.0). On update cadence, ads, in-app purchases and monetization model 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
Comp Tech Terms Dict (Jpn costs $9.99 and Japanese Technical Dictionary $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Comp Tech Terms Dict (Jpn ships an update every 23 months, Japanese Technical Dictionary every 22 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Comp Tech Terms Dict (Jpn | Japanese Technical Dictionary |
|---|---|---|
| Price | $9.99 | $1.99 — better |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 23 months | Every 22 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 412 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | CJKI | Internet Stack |
Customer experience
Comp Tech Terms Dict (Jpn
Japanese Technical Dictionary
In-app purchases
Comp Tech Terms Dict (Jpn
No in-app purchases
Japanese Technical Dictionary
No in-app purchases
Questions
Is Comp Tech Terms Dict (Jpn free?
Is Japanese Technical Dictionary free?
Do Comp Tech Terms Dict (Jpn or Japanese Technical Dictionary have ads?
Which is updated more often, Comp Tech Terms Dict (Jpn or Japanese Technical Dictionary?
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