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Best English Dictionary Apps

245+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Whether you're new to english dictionary or looking for an upgrade, our curated collection of 245+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for English Dictionary

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
#92in Reference
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 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
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#83in 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 one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.

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

More English Dictionary apps to explore

4
Eng-Mm Dictionary
Eng-Mm Dictionary
Eng-Mm Dictionary
English to Myanmar Dictionary
Free

This application is an offline English to Myanmar and Myanmar to English dictionary with features like auto-suggest search, voice settings, word quiz, and learning modules. It offers example sentences, phonetic translations, synonyms, and antonyms, and can convert fonts between Myanmar Unicode and Zawgyi.

🔍 Reference
(958)
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
(3.2K)
6
English Dictionary *
English Dictionary *
English Dictionary *
Thesaurus and Vocabulary words
Free

Access a comprehensive offline English dictionary with over 4000 essential words at your fingertips. Enhance your vocabulary, improve language skills, and understand definitions without needing an internet connection.

🔍 Reference
(1.1K)
7
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

Discover a comprehensive offline dictionary app for all languages with Dict Box. Access definitions, translations, and synonyms on-the-go. Download now for quick and easy language reference.

🔍 Reference
(11K)
8
English Dictionary
English Dictionary
English Dictionary
Advanced Offline Vocabulary
Free

This comprehensive English dictionary and thesaurus offers a wealth of features to enhance language learning, including offline access, voice and keyboard search, synonyms and antonyms, and translation capabilities. Download now and unlock the power of words with a user-friendly app that's perfect for language enthusiasts, students, and professionals alike.

🔍 Reference
(67)
9
English Learners Dictionary
English Learners Dictionary
English Learners Dictionary
Oxford Dictionary English
Free
📚 Education
(245)
10
English Dictionary : Offline
English Dictionary : Offline
English Dictionary : Offline
English to English Vocabulary
Free

Learn English vocabulary easily with this lightweight and elegant dictionary app for iPhones and iPads. Search for over 150,000 English words, take quizzes, save favorites, and more - all offline! Download now to enhance your language skills effortlessly.

📚 Education
(572)
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
Cambridge English Dictionary
Cambridge English Dictionary
Cambridge English Dictionary
for Advanced Learners, 4th ed.
Free

Explore the ultimate English learning tool for advanced learners, featuring 140,000 words, audio pronunciations, and smart thesaurus capabilities. Enhance your vocabulary with flashcard quizzes, search features, and user-friendly interface modifications. Join millions of English learners worldwide and delve into a wealth of language resources and exam preparation support.

🔍 Reference
(270)
13
English Dictionary – Offline
English Dictionary – Offline
English Dictionary – Offline
Vocapture – Learn Vocabulary
Free

This application is an offline English dictionary and vocabulary builder that helps users master the English language with over 820,000 definitions, intelligent flashcard system, and various learning tools. Download it today to learn English vocabulary faster and more efficiently, with full offline access and customizable features.

🔍 Reference
(103)
14
Google Translate
Google Translate
Google Translate
Text, Photo & Voice Translator
Free

A versatile language translation tool that effortlessly translates text, images, and spoken words in multiple languages. Enhance communication and break down language barriers easily.

🔍 Reference
(83K)
15
Dictionary & Translator
Dictionary & Translator
Dictionary & Translator
Learn and Translate Languages
Free

A versatile application offering an extensive database of words, meanings, and synonyms. Users can easily look up definitions, translations, and related terms with a user-friendly interface. Try it out for quick and accurate word references!

📚 Education
(12K)
16
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
دیکشنری انگلیسی به فارسی
Free

An offline English to Persian dictionary app, providing instant translations and word definitions. Access a wide range of vocabulary without needing an internet connection. Ready to unlock the power of language at your fingertips?

🔍 Reference
(86K)
17
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
(243)
18
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)
19
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
English Vietnamese Dictionary
Free

Access a comprehensive and innovative English-Vietnamese dictionary app with offline accessibility and advanced search features for free on the Appstore. Perfect for quick translations on-the-go!

📚 Education
(18K)
20
Vocabulary - Wörter lernen
Vocabulary - Wörter lernen
Vocabulary - Wörter lernen
Erweitern Sie Ihren Wortschatz
Free

Improve your vocabulary effortlessly with an app designed to enhance word power. Customize difficulty levels, select categories, and reach linguistic goals all at your own pace. Start expanding your English language skills now!

📚 Education
(1.9K)

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