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Best Oxford English Dictionary Free Apps

199+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

The best oxford english dictionary free apps on iPhone average 4.5★ across 199+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Oxford English Dictionary Free

Dictionary.com: English Words#1

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

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
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Dictionary.com: English Words screenshot 5
Dictionary.com: English Words screenshot 6

Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.

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
Oxford Dictionary & Thesaurus#2

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Strong Contender
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#74in Reference
Oxford Dictionary & Thesaurus screenshot 1
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Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

What We Love

  • 👍 Reliable and simple to use
  • 👍 Comprehensive and best for all English, especially rare and aged language
  • 👍 Very useful for learning new words
  • 👍 Excellent reference app

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#33in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
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Merriam-Webster Dictionary screenshot 4

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions

More Oxford English Dictionary Free apps to explore

4
English Dictionary *
English Dictionary *
English Dictionary *
Thesaurus and Vocabulary words
Free

Enhance your English vocabulary with a comprehensive offline dictionary and thesaurus. Access over 500,000 words, their meanings, synonyms, antonyms, and pronunciations. Perfect for students and professionals to improve language skills anytime, anywhere.

Offline word searchSynonyms and antonymsWord definitions
🔍 Reference
(1.1K)
subscription
5
Oxford Advanced Learner's Dict
Oxford Advanced Learner's Dict
Oxford Advanced Learner's Dict
for learners of English
Free

This app provides a comprehensive dictionary reference for English learners, including advanced vocabulary, collocations, and synonyms. It offers offline access, real-voice pronunciation, and search functionality to enhance learning for work and study.

Advanced learner's dictionaryCollocations dictionaryLearner's thesaurus
🔍 Reference
(91)
free with in-app purchases
6
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

This app provides a comprehensive offline English dictionary and thesaurus with fast searching, spelling suggestions, definitions, and usage examples. It offers extensive word data and advanced search filters without requiring an internet connection.

Offline dictionary and thesaurusFast searchingSpelling suggestions
🔍 Reference
(85)
free
7
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

This comprehensive English dictionary and thesaurus offers precise definitions, synonyms, antonyms, and related words. It features intelligent search tools, offline audio, and customizable themes to enhance your language learning experience.

140,000+ definitionsSynonyms, antonyms, and related wordsOffline audio pronunciation
🔍 Reference
(4.3K)
free with in-app purchases
8
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
English Vietnamese Dictionary
Free

This comprehensive app offers an offline English-Vietnamese dictionary with extensive word explanations and sentence translation. It also provides tools for vocabulary learning, exam preparation, and practicing all four language skills through games, videos, and grammar lessons.

Offline English-Vietnamese dictionaryVocabulary learning with gamesExam preparation and mock tests
📚 Education
(18K)
free with in-app purchases
9
Advanced English Dictionary+
Advanced English Dictionary+
Advanced English Dictionary+
American English Dictionary
Free

This app is a comprehensive American English dictionary designed for learners. It features extensive vocabulary, clear definitions, and practical examples to enhance understanding and usage. Users can access audio pronunciations, explore related terms, and save words for future reference.

Extensive vocabulary and phrasesUsage examples and collocationsAmerican English pronunciation with audio
🔍 Reference
(886)
free with in-app purchases
10
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

Explore the origins and history of English words with this comprehensive dictionary app. It offers instant search, related word suggestions, and an offline mode for premium users. Enhance your vocabulary and understanding of word roots.

Word origin explorationInstant search with suggestionsRelated words by root
📚 Education
(11K)
free with in-app purchases
11
English Dictionary - LDOCE PRO
English Dictionary - LDOCE PRO
English Dictionary - LDOCE PRO
English Dictionary Offline
$14.99
$26.99 | 44% OFF

This comprehensive English dictionary app provides over 2 million definitions, synonyms, and corpus-based examples to help you understand and use English naturally. It includes a thesaurus, collocations dictionary, and grammar support to enhance your vocabulary and writing skills.

Over 2 million definitions and synonyms165,000 corpus-based examplesThesaurus with 18,000+ synonyms/antonyms
📚 Education
(2.2K)
free with in-app purchases
12
English Dictionary: LMDict
English Dictionary: LMDict
English Dictionary: LMDict
Dictionary English Offline
Free

Enhance your English vocabulary and grammar with a comprehensive offline dictionary. It offers extensive definitions, natural language examples, collocations, synonyms, and pronunciation guides for both British and American English.

Offline English dictionaryIntegrated grammar and thesaurusCollocations dictionary
📚 Education
(875)
free with in-app purchases
13
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

This app provides an offline dictionary and translator for over 50 languages. It offers smart word suggestions, text translation in other apps, offline pronunciation, and a picture dictionary. An optional premium upgrade unlocks advanced features and an ad-free experience.

Offline dictionary & translator50+ languages supportedSmart word suggestions
🔍 Reference
(11K)
free with in-app purchases
14
LookUp: English Dictionary App
LookUp: English Dictionary App
LookUp: English Dictionary App
Build vocabulary, a word daily
Free

Enhance your English vocabulary with a daily word, interactive quizzes, and a comprehensive dictionary. Features include visual learning aids, audio pronunciations, and translations to over 20 languages. Ideal for learners and word enthusiasts.

Daily Word of the Day with illustrationsComprehensive English Dictionary & ThesaurusAudio pronunciations and example sentences
🔍 Reference
(3.1K)
free with in-app purchases
15
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Translator - Translate
Free

This app provides offline English-Thai and Thai-English translation with definitions, synonyms, and pronunciations. It offers smart word suggestions, a picture dictionary, and word reminders, all accessible without an internet connection. An optional premium upgrade unlocks advanced features and an ad-free experience.

Offline English-Thai translationOffline Thai-English translationDefinitions, synonyms, pronunciations
🔍 Reference
(3.4K)
free with in-app purchases
16
English Learners Dictionary
English Learners Dictionary
English Learners Dictionary
Oxford Dictionary English
Free

Access a comprehensive Oxford Advanced Learner's Dictionary with definitions, examples, and pronunciation. Search words offline, track your history, and bookmark favorites. Improve your English with this detailed and interactive resource.

Offline dictionary accessAudio pronunciationsSearch history
📚 Education
(245)
free
17
English Dictionary
English Dictionary
English Dictionary
Advanced Offline Vocabulary
Free

This app provides a comprehensive English dictionary and thesaurus with definitions, synonyms, antonyms, and example sentences. It offers voice and keyboard search, translation capabilities, and allows users to bookmark words and review their search history. The app is free and available offline.

English to English dictionarySynonyms and antonymsThesaurus feature
🔍 Reference
(67)
free with in-app purchases
18
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
Spanish Dictionary - Dict Box
English Spanish Translation
Free

This app provides a comprehensive English to Spanish and Spanish to English dictionary and translator. It offers offline functionality, word correction, and the ability to translate text directly from other applications and web browsers. Users can also access image search and word reminders.

Offline dictionary and translatorTranslate in other apps and browsersImage search and picture dictionary
🔍 Reference
(8.3K)
free with in-app purchases
19
Oxford Learner’s Dictionaries
Oxford Learner’s Dictionaries
Oxford Learner’s Dictionaries
Bilingual editions
Free

This app provides bilingual dictionaries designed for English language learners. It offers pronunciation guides, word search features, and personalized vocabulary lists to enhance language skills. Access to the full dictionary requires an in-app purchase.

Bilingual dictionary searchReal-voice pronunciation audioRecord and compare pronunciation
🔍 Reference
(4)
free with in-app purchases
20
English Audio Dictionary
English Audio Dictionary
English Audio Dictionary
Listen sound and work offline
Free

This app provides a comprehensive offline English dictionary with audio pronunciations for 180,000 words. Users can listen to words and their meanings in various accents, adjust playback speed and pitch, and even input their own text for pronunciation. It offers advanced search options and works entirely without an internet connection.

Offline English dictionaryAudio pronunciations for 180,000 wordsMultiple voice accents (US, UK, AU, SA, IE)
🔍 Reference
(269)
free