Best Longman Dictionary Apps

175+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our longman dictionary list covers 175+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Longman Dictionary

Oxford Dictionary & Thesaurus#1

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Editor's Choice
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#69in Reference
Oxford Dictionary & Thesaurus screenshot 1
Oxford Dictionary & Thesaurus screenshot 2
Oxford Dictionary & Thesaurus screenshot 3
Oxford Dictionary & Thesaurus screenshot 4
Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

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#2

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Strong Contender
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#39in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
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
Dictionary.com: English Words#3

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

Dictionary, Thesaurus, Vocab
Worth Considering
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
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 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

More Longman Dictionary apps to explore

4
LCEDICT - Common Errors
LCEDICT - Common Errors
LCEDICT - Common Errors
Longman dictionary
Free

This educational app provides clear explanations of common language errors, with authentic example sentences from the British National Corpus. It features voice input search and the ability to listen to words in both British and American English accents.

Error explanationsAuthentic example sentencesBritish National Corpus examples
📚 Education
(1)
free
5
Cambridge English Dictionary
Cambridge English Dictionary
Cambridge English Dictionary
for Advanced Learners, 4th ed.
Free

This comprehensive dictionary app provides definitions, pronunciations, and thesaurus entries for over 140,000 words and phrases. It offers advanced search capabilities, learning tools like flashcards and quizzes, and offline access. Ideal for English learners preparing for exams.

British and American English audio pronunciationsSMART Thesaurus for related words and phrasesFlash Card Quiz for memorization
🔍 Reference
(270)
free with in-app purchases
6
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
دیکشنری انگلیسی به فارسی
Free

This offline dictionary and translator app facilitates Persian-English language learning and communication. It offers fast, convenient translations, smart word suggestions, and text pronunciation without an internet connection. Advanced features like a picture dictionary and cross-device sync are available with a premium upgrade.

Offline English to Farsi translationOffline Farsi to English translationSmart word suggestions
🔍 Reference
(86K)
free with in-app purchases
7
English Dictionary - LDOCE 6th
English Dictionary - LDOCE 6th
English Dictionary - LDOCE 6th
Advanced Vocabulary & ESL
Free

This app offers advanced English dictionaries, including collocations and synonyms, to help learners improve vocabulary and communication skills. It provides offline access, real-voice pronunciation, and example sentences to aid comprehension and natural expression.

Advanced Learner's DictionaryCollocations DictionaryLearner's Thesaurus
📚 Education
(59)
free with in-app purchases
8
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
English/Persian Translator
Free

This app offers comprehensive English/Persian translation and dictionary services, supporting over 250,000 words with online and offline access. It also includes AI-powered writing assistance, voice and image translation, and pronunciation guides.

English/Persian Dictionary & Translator (Online & Offline)AI Grammar Improvement & ParaphrasingVoice and Image Translation
🔍 Reference
(6)
free with in-app purchases
9
LDict - English Dictionary
LDict - English Dictionary
LDict - English Dictionary
English Dictionary for Beginer
Free

This English dictionary app allows users to search for words and idioms, with options for US or UK voice pronunciation. It also offers features like bookmarking, search history, and lookup from other applications.

Search words and idiomsUS/UK voice pronunciationBookmark favorite words
🔍 Reference
(0)
free with in-app purchases
10
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
11
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
12
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day
🔍 Reference
(14K)
free with in-app purchases
13
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
14
English Dictionary - LDOCE
English Dictionary - LDOCE
English Dictionary - LDOCE
English Dictionary Offline
Free

This comprehensive English dictionary app offers over 2 million definitions, synonyms, and examples. It supports offline use and includes features like pronunciation guides, collocations, and a thesaurus to enhance vocabulary and grammar skills.

Offline dictionary access2 million+ definitions and synonymsCorpus-based example sentences
📚 Education
(169)
free with in-app purchases
15
Dictionary Macmillan
Dictionary Macmillan
Dictionary Macmillan
English Dictionary Offline
Free

This offline English dictionary provides learners with over 100,000 references and 80,000 examples. It highlights essential vocabulary and offers clear definitions, making it a valuable tool for accurate writing and speaking.

100,000+ references80,000+ examplesDefines entries using only 2,500 words
📚 Education
(10)
free
16
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
17
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access America's leading dictionary with over 15,000 extra entries for people and places. Enjoy offline access, voice search, and daily vocabulary builders. This app offers expert word guidance with a thesaurus and example sentences.

Ad-free experience15,000+ premium entriesOffline dictionary access
🔍 Reference
(22K)
freemium
18
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
19
English Learner Dictionary
English Learner Dictionary
English Learner Dictionary
Longman Learner Dictionary
Free

Master written and spoken English with this comprehensive dictionary app. It offers clear definitions, usage examples, voice search, and audio pronunciations to enhance your understanding of words and phrases.

100,000 words and phrases160,000 usage examplesVoice Search
📚 Education
(45)
free
20
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

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