Best Computer Science Dictionary Apps

180+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Out of 180+ computer science dictionary apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Computer Science Dictionary

Computer Science Dictionary.#2

Computer Science Dictionary. by Andrew Putranto

Strong Contender
📚 Education
3.0(2 ratings)
Free
Computer Science Dictionary. screenshot 1
Computer Science Dictionary. screenshot 2
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Computer Science Dictionary. screenshot 4

This application provides a quick and easy way to search for and understand computer science terms, making it an invaluable tool for students and educators alike. Explore a comprehensive glossary of terms to enhance your knowledge and recall.

Dictionary.com: English Words#3

Dictionary.com: English Words by Curiosity Media, Inc.

Dictionary, Thesaurus, Vocab
Worth Considering
🔍 Reference
4.7😐(19K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
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Dictionary.com: English Words screenshot 3
Dictionary.com: English Words screenshot 4
Dictionary.com: English Words screenshot 5
Dictionary.com: English Words screenshot 6

Access the ultimate English language learning app packed with quizzes, games, and over 2 million definitions and synonyms. Enhance your vocabulary with word puzzles and daily challenges, enjoy dark mode, offline access, voice search, and more. Improve your English skills effortlessly!

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues

More Computer Science Dictionary apps to explore

4
Computer Science & IT English
Computer Science & IT English
Computer Science & IT English
Information technology course
Free

Learn English for IT and Computer Science with an app designed specifically for professionals, featuring interactive tools, technical articles, and books to improve vocabulary and grammar. Download now and unlock new possibilities in the IT and tech world with a personalized learning experience.

📚 Education
(5)
5
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

Access a premier iOS app for English language reference, education, and vocabulary building, with new word games and quizzes for learning. Features universal access, offline capabilities, voice search, daily word learning, thesaurus, example sentences, and pronunciations by real speakers. Enjoy features like favorite word syncing and Apple Watch integration. Subscribe to remove ads and access extra resources. Manage your subscription easily. Terms of Use: [Link to Terms of Use].

🔍 Reference
(320K)
6
IT and Computer Dict (Jpn-Eng)
IT and Computer Dict (Jpn-Eng)
IT and Computer Dict (Jpn-Eng)
by CJKI
$1.99
🔍 Reference
(1)
7
Computer Dictionary English
Computer Dictionary English
Computer Dictionary English
Listen sound, Work offline
Free

This free computer dictionary offers 15,000 words with sound in English, allowing users to search and listen to meanings offline, with customizable voice accents, speed, and pitch. Download now and explore a comprehensive dictionary with advanced search options and offline functionality.

🔍 Reference
(12)
8
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

Discover a comprehensive offline dictionary and thesaurus with fast search, spelling suggestions, definitions, synonyms, and more. Enjoy ad-free browsing, usage examples, and unique search features without the need for an internet connection. Explore WordWeb Dictionary for a seamless word lookup experience.

🔍 Reference
(85)
9
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
English Kurdish Translation
Free

A highly efficient English to Kurdish dictionary app with a vast vocabulary. Ideal for users seeking quick translations without any hassle. Download now for instant access to comprehensive language support.

🔍 Reference
(14K)
10
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Discover a revolutionary dictionary app offering fast and reliable translations in multiple languages, including French, Spanish, and German. Access over one billion translations, editorial dictionaries, offline mode, example sentences, and pronunciation guides for seamless language learning. Try it now for quick and accurate translations on the go.

🔍 Reference
(11K)
11
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Discover a comprehensive Dictionary and Thesaurus app with a Word of the Day feature, offline access, and resources from top sources. Access millions of definitions, synonyms, translations, and more for a versatile language tool.

🔍 Reference
(14K)
12
IT/Computer Dict (Jpn-Chi)
IT/Computer Dict (Jpn-Chi)
IT/Computer Dict (Jpn-Chi)
by The CJK Dictionary Institute, Inc.
$3.99
🔍 Reference
(0)
13
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

Access an all-in-one Vietnamese-English dictionary and translator app that offers offline access, effortless text translation, word suggestions, and more. Enhance your language learning with features like text-to-speech pronunciation, picture dictionary, and word reminders. Upgrade to Premium for an ad-free experience and additional benefits.

🔍 Reference
(18K)
14
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!

🔍 Reference
(4.3K)
15
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

🔍 Reference
(120)
16
NAVER Dictionary
NAVER Dictionary
NAVER Dictionary
by NAVER Corp.
Free

Access a comprehensive and free dictionary app with 70 dictionaries, 30M headwords, pronunciation evaluation, quizzes, and 1M English pronunciations. Explore English-English, Thesaurus, Korean, and bilingual dictionaries. Visit the NAVER Dictionary Official Blog for more details and reach out to NAVER English Dictionary Customer Center for assistance.

📚 Education
(245)
17
Bible Dictionary and Glossary
Bible Dictionary and Glossary
Bible Dictionary and Glossary
Webster Easton Smith Vine Nave
Free

Explore a comprehensive Bible Dictionary and Glossary offering insights from Webster, Easton, Smith, Vine, and more to enhance your understanding of biblical texts with in-depth definitions, cross-references, and concordance features. Unlock the richness of biblical knowledge with this valuable resource.

🔍 Reference
(4.9K)
18
Pleco Chinese Dictionary
Pleco Chinese Dictionary
Pleco Chinese Dictionary
Handwriting, OCR, flashcards
Free

A powerful and comprehensive Chinese learning companion app with features like dictionaries, OCR, flashcards, and handwriting input. Easily look up words, characters, and example sentences, while enjoying excellent customer support. Experience the best in mobile Chinese learning without ads. Contact support for more information.

🔍 Reference
(1.9K)
19
You Dictionary All Language
You Dictionary All Language
You Dictionary All Language
Photo & Voice Translator
Free

Translate effortlessly with this comprehensive dictionary app featuring over 400,000 words, definitions, synonyms, antonyms, examples, and grammar tools. Perfect for all language enthusiasts!

🔧 Utilities
(344)
20
Youdao Dictionary
Youdao Dictionary
Youdao Dictionary
Best Chinese Translator
Free

This is a comprehensive language translation and learning application that supports over 100 languages, including text, photo, voice, and even AR-based translation. It provides access to authoritative dictionaries, offline translation capabilities, and AI-powered features like writing assistance and pronunciation guidance. The app aims to enhance language learning and communication for users across various proficiency levels and needs.

🔍 Reference
(17K)

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