Comparison

Worldictionary vs Japanese Technical Dictionary

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

Head to head
About

Worldictionary

Instantly define and translate words by pointing your camera at them. This app supports multiple languages and offers detailed definitions, full sentence translation, and pronunciation. It also includes advanced search capabilities and the option to purchase offline dictionaries.

Highlights
  • Instant camera translation
  • Multi-language support
  • Full sentence translation
  • Advanced search (Google, Wikipedia, YouTube)
  • Offline dictionary purchases
  • Save search records
Read full description

* The Best Translation App * • Secured a spot among the Top 10 apps in the Reference/Business categories in 109 countries • Winner of the Taiwan Excellence Award 2012 • Winner of the Outstanding IT Products Award 2011 • Over one million users worldwide * Product Overview * Point the iPhone’s or the new iPad’s camera at any word and Worldictionary will instantly define and translate it. No need to manually type words or take pictures. This app will be your indispensable travel tool primed to give you translation on-the-go. * Demo Videos * http://worldcard.penpowerinc.com/demo/worldcard/worditionary_demo.htm http://www.youtube.com/watch?v=oa6OYajfomA * Product Details * - Instant View & Translate • The instant 'View and Translate' feature allows you to get instant translation simply by pointing your iPhone’s camera at a word you want to look up. • Worldictionary recognizes and translates amongst multiple languages, ranging from Traditional Chinese, Simplified Chinese, English, Japanese, Korean, French, German, Italian, Spanish, Portuguese, Dutch, Swedish, Finnish, Danish, Norwegian, Polish, Hungarian, Russian, Czech, Slovak and Romanian. No need to type a word to look it up! • You can also select an image from your iPhone to get the translation immediately without typing words in. - Detailed & Full Sentence Translation • To proceed with looking up additional words or knowing more about the usage of particular words, you can first take a snap of the text and then focus on the words one by one and look them up. • Provides full sentence translation and pronunciation. • The 'Advance Search' function lets you search through Google, Wikipedia and YouTube to expand your search. • Works with the world's leading dictionary( Collins, Dr.eye and Transtar dictionary), lets you get the most authoritative word explanations. - Smart & Helpful Functions • Save your search records automatically. You can even build your own word database to increase translation efficiency. • You can also manually enter and translate words. • Provides an anti-shake function for better image quality. • Provides in app purchase offline dictionary. * Customers’ Reviews * • Brilliant app! - Thanks for developing such a handy tool. I have already used it to translate menu items and will definitely use it on my first trip abroad. Well worth the price. (Apr 22, 2012 by lht61ha) • Amazing app for a phone! - Very easy to use translator app that works brilliantly with text. All the various functions, including recognizing words and translating from text, are very useful. 5 star. (Apr 22, 2012 by Simon Medlicott) • Worldictionary, one of the most revolutionary iPhone app ideas. (Mar 20, 2012 by Sven Luiv)

About

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.

Highlights
  • 175,000+ words
  • Translations in 7 languages
  • Offline database access
  • Technical and academic terms
  • Search in Hiragana, Katakana, Romaji
  • No Japanese keyboard needed
Features
Read full description

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

Worldictionary4 screens
Japanese Technical Dictionary4 screens

Verdict

The call

The clearest difference is in-app purchases: Japanese Technical Dictionary at none against Worldictionary's 10. Japanese Technical Dictionary also leads on review sentiment (100% vs 78%) and price ($1.99 vs $2.99). Worldictionary's advantage is update cadence (every 2 months vs every 22 months) and iOS requirement (11.0 vs 26.0). On ads 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

Worldictionary costs $2.99 and Japanese Technical Dictionary $1.99 up front. Worldictionary sells 10 one-off in-app purchases. Japanese Technical Dictionary asks for nothing beyond the download.

UpkeepUpdate frequency

Worldictionary ships an update every 2 months, Japanese Technical Dictionary every 22 months. The most recent releases landed on June 30, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Worldictionary versus Japanese Technical Dictionary: the parameters behind the verdict, then further details
ParameterWorldictionaryJapanese Technical Dictionary
Price$2.99$1.99 — better
Rating1.0 (2 ratings) — better—
Positive reviews78.1% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 2 months — betterEvery 22 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better26.0
Further details — not scored
Size75 MB64 MB
Age rating17+4+
DeveloperPenpower Technology Ltd.Internet Stack

Customer experience

Worldictionary

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews297 reviews
Positive78.1%
Neutral5.4%
Negative16.5%

Japanese Technical Dictionary

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Worldictionary

Reported bugs

2 issues
  • Struggles with text on colored backgrounds
  • Occasional crashes or freezes

Requested features

4 requests
  • Offline dictionary support for more languages
  • Ability to translate full sentences or paragraphs
  • Improved accuracy for Asian language character recognition
  • More intuitive user interface and onboarding

Japanese Technical Dictionary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Worldictionary

One-time10
  • Transtar Chinese<->English Dictionary$1.99
  • Transtar Chinese<->Japanese Dictionary$1.99
  • Collins English<->Spanish Dictionary$4.99
Show 7 more
  • Collins English<->TraditionalChinese Dictionary$4.99
  • Collins English<->French Dictionary$4.99
  • Collins English<->Simplified Chinese Dictionary$4.99
  • Collins English-Arabic Dictionary$4.99
  • Collins English<->Korean Dictionary$4.99
  • Collins English<->Japanese Dictionary$4.99
  • Collins English<->German Dictionary$4.99
None

Japanese Technical Dictionary

No in-app purchases

Questions

Is Worldictionary free?
Worldictionary costs $2.99, and also offers in-app purchases.
Is Japanese Technical Dictionary free?
Japanese Technical Dictionary costs $1.99, with no in-app purchases.
Do Worldictionary or Japanese Technical Dictionary have ads?
Neither Worldictionary nor Japanese Technical Dictionary shows ads.
Which is updated more often, Worldictionary or Japanese Technical Dictionary?
Worldictionary ships an update every 2 months, and Japanese Technical Dictionary every 22 months. Most recently, Worldictionary was updated on June 30, 2026 and Japanese Technical Dictionary on September 23, 2026.

Other comparisons