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DioDict4 English Advanced Dict app for iPhone and iPad


4.2 ( 7872 ratings )
Reference Education
Developer: SELVAS AI Inc.
19.99 USD
Current version: 4.0.9, last update: 6 years ago
First release : 27 Nov 2010
App size: 269.97 Mb

▶Special discount◀
$24.99 -> $19.99


The complete DioDict English Dictionary • 184,500 words, meanings and examples • Thousands of notes on grammar and ways to use words • No internet connection needed.

**Free upgrade available for DioDict 3.5 English Dictionary users.
If you are using DioDict 3.5, please note that each version has different functions. Wordbook/History functions may not be available in the newest version due to database replacement. **

** In order to conform to iOS guidelines, we have had to raise the lowest compatible iOS version to 9.0. **


=====Powerful & Specialized Functions=====
▶ Easier Search with Multi Search ◀
• When you enter a word to search, relevant sentence idioms and phrasal verbs are searched for and spelling is checked automatically.
• Multiple types of searches are available in a single search window without the need to select a search mode.

▶ Search Features ◀
• Wildcard search: enter “?” or “*” in place of a letter when you are unsure of the spelling (e.g., “man*ver” retrieves the word “maneuver”).
• Search not only for words, but for phrases or examples.
• The spell check function corrects typos - if you are unsure of the spelling or mis-type a word, a list of similar words is offered.
• Search for similar words: e.g. clicking on “adding” in an entry yields a list of similar and derivative words: “addition”, “additional”, “additive”, “addition reaction”.
• The search results are listed in real-time when you enter a keyword.
• Links to Google so that you can search for more information on a particular word.

▶ Vocab Revision ◀
• Pronunciation guide from the built-in American Text To Speech (TTS) solution.
• History menu lists all your recent word searches.
• Save words and expressions to any number of flashcard folders.
• You can efficiently learn the words saved in the folders using the Cradle and Yes/No Quizzes function.

=====Contains Rich Content =====
This app includes content from the Oxford Advanced Learners Dictionary, 8th edition, 2010.
Imagine having the top selling English learner’s dictionary in your pocket!

Dictionary features include:
• 184,500 words, phrases and meanings from British and American English. British/American-only words are specially marked.
• Thousands of examples of real English showing learners how a word is normally used.
• Text to speech engine so you can listen to American and British native speakers pronunciation of words and sentences.
• 1,000 newly coined words, such as ‘podcast, wiki, carbon footprint, social networking, and tiger economy.
• 7,000 synonyms and antonyms as well as 5,000 words related to science, literature, computers, and business.
• Explanations and examples use natural, easy-to-understand English.
• A pronunciation guide (IPA) with word stress shown next to each word entry.
• Large amount of grammatical information:
-- parts of speech (noun, verb, adj. etc.) of each word.
-- irregular verb forms and noun plurals.
-- which prepositions are used with which verbs and adjectives.
-- whether a noun is countable or uncountable.

=====Reliable Dictionary App Provider=====
*** The Number One Company in the Domestic Mobile Electronic Dictionary Market for Over 10 Years, with Over 100 staff in R&D.
- The company’s own testing department performs meticulous testing, along with a customer support department.

■ CS center : [email protected]

Our company name is now SELVAS AI officially changed from DIOTEK.
The new name reflects our dedication to Artificial Intelligence technology, all of us at SELVAS AI strive to do our best for our customers.

Pros and cons of DioDict4 English Advanced Dict app for iPhone and iPad

DioDict4 English Advanced Dict app good for

A good dictionary. Sometime the Flashcard icon appear near a word, sometime not.
This App is really helping me at my english classes! love it!
This dictionary is the best dictionary to understand the base of the word.
No app skins available yet (just updated version 3.5.5 today). I purchase version 3.5.0 of this app a while ago when it was on sale. Not until this latest update 3.5.1 has come up, its GUI is nothing special and many improvements were expected, I welcome and admire 2 innovations implemented in this new update: the pinchable resizing & reflowing of display text, and the swipable word-lookup, When you swipe your finger tip over the screen from left to right, you can access the preceeding header word while you swipe in the opposite direction, you access the succeeding header word; just like you lookup a real, physical, printed volume. Both improvements are invaluable. However, there is still a down-side wish list. No inline hyperlinks at all available on the display text. If you want to lookup any word when you get stuck on the current display you either have to mark and copy it to the clipboard and then paste it onto the search space to look it up. The you have to press the "history" page to regain access to your previous lookup header. However, after doing this work-around, you will loose the ability to swipe back and forth the dictionary header words but only those words in your history which could be good or bad depending on what you want. Alternatively, avoid using of history page to do back-tracking the swipe feature wont be affected but you need to retype your previous header word again to continue which can be tiring. Hopefully, DioDict can come up with some good solution to this implementation problem soon. Another improvement should also be done, i.e., the dimond bullets used on the display is a bit over sized, In my opinion, either a smaller hollow dimond or circle would make the display much better looking. This can be done very easily in no time. Many cheers! .
Great app because Oxford Advanced Learners Dictionary is a great dictionary for learning English. This dic explains different usages of words with lucid definitions and illustrative examples. I started using this dictionary ten years ago and I still use it for expanding my vocabulary. Now, with this app, not only I have this great dictionary with me whenever I go (even when I am not connected to the internet) but also there is no need to take a note of the important examples of a word since you can easily highlight them in the app. You can also listen to the example sentences aloud which is good for the time you are somehow tired of reading words for long hours. This app can extremely help anyone who wants to learn English
I have found out there is not the word VICINITY in this dictionary, the word which is a famous and an useful word.

Some bad moments

After upgrades to IOS5, the listen feature dosen t work any more.
This is a massive move backwards in terms of functionality and features. Many valuable features that have made it much superior to other dictionaries on the market have now been removed from this app. On the iPad, horizontal mode is not supported any more - unless fixed very soon, this is a no go for dictionary apps on the iPad.
It is a very nice dictionary like previous version, but the terrible thing is copy paste option was removed and as I work with a separate professional flash card app. this Oxford version is useless for me and I switched to Webster.
見出し語のコピーが出来ません! I want to copy an entry word and the meaning of it simultaneously, like LONGMAN dictionary!
Contrary to the description above which says it is compatible with iPad, this software is not implemented with landscape mode for iPad. If you use iPad, I strongly recommend not to buy this App. In addition, I should notice that the landscape mode feature was originally supported in the previous version, so this update was surprising for me. It is natural to use iPad in landscape mode, so Im really willing to get updated version as soon as possible.
All my flash cards were gone due to the upgrade from 3 to 4 version. But Diotek never compensate at all. Even we cant use British pronunciation. Do not buy it.