Best British Dictionary Apps

233+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Out of 233+ british dictionary apps on iOS, 20 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 British 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
#80in Reference
Oxford Dictionary & Thesaurus screenshot 1
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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
Dictionary.com: English Words#2

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

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
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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
Cambridge English Dictionary#3

Cambridge English Dictionary by Cambridge University Press & Assessment (App)

for Advanced Learners, 4th ed.
Worth Considering
🔍 Reference
2.6😞(270 ratings)
FreeIn-App Purchases
Cambridge English Dictionary screenshot 1
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Cambridge English Dictionary screenshot 5

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.

What We Love

  • 🚀 Detailed definitions
  • 👍 Easy to understand
  • 👍 Includes British and American pronunciations
  • 👍 Simple and efficient

Room to Improve

  • 💰 Requires purchase to access full content
  • 💰 Expensive compared to free alternatives
  • 🐛 Crashes on startup for older devices

More British Dictionary 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
British Slang! New Dictionary of Urban Slangs Quiz
British Slang! New Dictionary of Urban Slangs Quiz
British Slang! New Dictionary of Urban Slangs Quiz
by Michael Quach
Free

Explore a vast collection of British slang words and phrases. Discover meanings, save your favorites, and easily share them through various platforms like email, SMS, and social media.

Extensive British slang vocabularyReveal slang meaningsSave favorite slang
📚 Books
(48)
free with in-app purchases
6
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

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.

Offline dictionary accessVoice search for wordsDaily Word of the Day
🔍 Reference
(320K)
free with in-app purchases
7
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
8
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Access reliable translations for multiple languages, including French, Spanish, and German, with this comprehensive dictionary app. It offers fast, offline access to a vast database compiled by lexicographers and includes example sentences and audio pronunciations.

Translations in French, Spanish, German, and moreCompiled by over 400 lexicographersFast translations with quick search
🔍 Reference
(11K)
free
9
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
10
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
11
French-English Dictionary
French-English Dictionary
French-English Dictionary
100,000 Words!
Free

Access a comprehensive French-English and English-French dictionary with over 100,000 words. This offline tool provides instant translations, pronunciation, and a rich database of common expressions, all optimized for efficient use.

Offline French-English dictionary100,000+ words and expressionsInstant translation display
🔍 Reference
(1.5K)
ad-supported
12
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
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
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
15
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
16
BC Dictionary
BC Dictionary
BC Dictionary
by British Centre LLC
Free

This application provides a comprehensive and reliable English to Georgian and Georgian to English dictionary. It offers accurate translations and is suitable for users of all ages.

English to Georgian dictionaryGeorgian to English dictionaryComprehensive translations
📚 Education
(35)
free
17
UDictionary Translator
UDictionary Translator
UDictionary Translator
Translate Voice, Camera, Text
Free

Translate text, voice, and images across 108 languages. This app offers a comprehensive dictionary with native examples and pronunciation guides. Premium features include camera translation, a translate keyboard, and offline mode for seamless communication.

Text translation in 108 languagesVoice translation with 47 accentsAuthoritative built-in dictionaries
🔍 Reference
(9.2K)
free with in-app purchases
18
Persian Dictionary - Leitnary
Persian Dictionary - Leitnary
Persian Dictionary - Leitnary
English-Farsi Dictionary
Free

This app is a comprehensive English-Persian dictionary and vocabulary learning tool. It offers offline access to over 200,000 definitions, pronunciations, and example sentences. It also incorporates the Leitner system for effective word memorization.

English-Persian and Persian-English dictionaryOffline access to definitionsAudio pronunciations (online and offline)
📚 Education
(2.9K)
free
19
Dictionary & Translator
Dictionary & Translator
Dictionary & Translator
Learn and Translate Languages
Free

Access trusted definitions, thesaurus, and pronunciations for numerous languages. Translate text and images offline or online, and enhance your learning with vocabulary challenges and grammar checking.

Offline dictionary and thesaurusCross-cultural text and image translationVocabulary challenges and grammar checking
📚 Education
(13K)
free with in-app purchases
20
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
قاموس انكليزي عربي
Free

This app provides offline English-Arabic and Arabic-English translation and dictionary services. It offers smart word suggestions, text pronunciation, and the ability to translate text within other applications. An optional premium version unlocks advanced features and an ad-free experience.

Offline English-Arabic translationOffline Arabic-English translationSmart word suggestions
🔍 Reference
(28K)
freemium