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Best Idioms Dictionary Apps

199+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated June 2026

Dictionary.com is the household name in idioms dictionary, but it's far from the only option. We track 199+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Idioms Dictionary Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoJul 2026
2Idioms and Slang DictionaryIdioms and Slang DictionaryFree4.7★ (1K)YesYesJul 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (320K)YesYesJul 2026
4Dictionary.Dictionary.Free4.8★ (14K)YesYesJul 2026
5Idioms and Phrases for EnglishIdioms and Phrases for EnglishFree—NoNoMay 2026
6English language: Learn & PlayEnglish language: Learn & PlayFree4.6★ (7.6K)YesYesJul 2026
7English idioms in useEnglish idioms in useFree4.7★ (257)—NoJul 2026
8Idioms English DictionaryIdioms English DictionaryFree4.4★ (29)NoNoJul 2026

Top Picks for Idioms Dictionary

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 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

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
Idioms and Slang Dictionary#2

Idioms and Slang Dictionary by Farlex, Inc.

Phrase meanings and history
Strong Contender
🔍 Reference
4.7😊(1K ratings)
FreeAdsIn-App Purchases
Idioms and Slang Dictionary screenshot 1
Idioms and Slang Dictionary screenshot 2
Idioms and Slang Dictionary screenshot 3
Idioms and Slang Dictionary screenshot 4
Idioms and Slang Dictionary screenshot 5

Explore the meanings and origins of over 61,000 idioms, slang terms, proverbs, and expressions. Understand conversational English like a native speaker with definitions, historical context, and example sentences.

What We Love

  • 👍 Simple design, easy to use
  • 🚀 Accurate results
  • 👍 Useful for understanding idioms
  • 👍 Helpful for non-native English speakers

Room to Improve

  • 🐛 Impossible to read text due to background issues
  • 🐛 Ads still show up despite paid subscription
  • 🔧 Needs more advanced features like translations, audio, and contextual information
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#40in 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

More Idioms Dictionary apps to explore

4
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
5
Idioms and Phrases for English
Idioms and Phrases for English
Idioms and Phrases for English
Phrasal Verbs Dictionary
Free
📚 Education
(0)
6
English language: Learn & Play
English language: Learn & Play
English language: Learn & Play
№1 Phrases and Idioms App
Free

Master English idioms, phrases, and slang through engaging games and quizzes. This app helps you understand and memorize vocabulary using spaced repetition, improving your fluency and confidence in communication.

Learn over 1,000 idioms and phrasesStudy 50+ topicsInteractive games and quizzes
📚 Education
(7.6K)
subscription
7
English idioms in use
English idioms in use
English idioms in use
All English Idioms & Phrases
Free

Learn English idioms and phrases with over 200 common expressions. Practice your understanding through quizzes and exercises, and utilize tools like text-to-speech and translation to enhance your learning experience.

200+ common English idiomsIdioms and phrases dictionaryQuizzes and tests for idioms and phrasal verbs
📚 Education
(257)
free
8
Idioms English Dictionary
Idioms English Dictionary
Idioms English Dictionary
Listen sound and work offline
Free

This free reference app provides a comprehensive dictionary of English idioms with audio pronunciations. It allows offline access, customizable voice settings, and advanced search functionalities to help users understand and learn idiomatic expressions.

8,500 English idiomsAudio pronunciation for each idiomOffline functionality
🔍 Reference
(29)
free
9
Idioms & Phrases (English)
Idioms & Phrases (English)
Idioms & Phrases (English)
most useful idioms & phrases
Free

Master thousands of common English idioms and phrases with this free application. Browse, search, and learn popular expressions categorized for easy understanding. Includes a viewer with speaking and auto-play features for an enhanced learning experience.

Thousands of idioms and phrasesBrowse and search functionalityCategorized idiom lists
📚 Education
(65)
free with in-app purchases
10
English Idioms Cards
English Idioms Cards
English Idioms Cards
All common idioms in one app
Free

Master English idioms with over 1000 flashcards. Each card features an idiom, its meaning, example sentences, and pronunciation. Learn visually and audibly in an offline, ad-free environment.

1000 idiom flashcardsIdiom meanings and examplesVisual learning aids
📚 Education
(873)
free with in-app purchases
11
Dictionary of Idiom Origins
Dictionary of Idiom Origins
Dictionary of Idiom Origins
origins of English idioms
$1.99

Explore the history and meaning of over 1000 English idioms. This dictionary provides detailed origins, example sentences, and related phrases for each idiom, aiding in language learning and retention.

Over 1000 idiom originsMeaning and example sentencesDetailed origin information
🔍 Reference
(0)
paid
12
Spanish Idiom Dictionary
Spanish Idiom Dictionary
Spanish Idiom Dictionary
idioms, proverbs, phrases
$1.99

Master Spanish with a comprehensive offline dictionary of over 2400 idioms, proverbs, and phrases. Enhance your language skills with detailed meanings, sample sentences, usage notes, and flashcards for effective memorization.

Over 2400 Spanish idioms, proverbs, and phrasesDetailed meanings and sample sentencesCustom list creation and review
🔍 Reference
(1)
paid
13
French Idiom Dictionary
French Idiom Dictionary
French Idiom Dictionary
Idioms, Proverbs, Phrases
$2.99
🔍 Reference
(0)
14
Translate Free - Language Translator & Dictionary
Translate Free - Language Translator & Dictionary
Translate Free - Language Translator & Dictionary
by myLanguage
Free

This app provides free language translation and dictionary services for 59 languages. It features translation history, the ability to request new languages, and user feedback for improved accuracy. Translations can be sent via email and viewed in a zoomable format for easy communication.

59 Supported LanguagesTranslation History (Offline Access)Language Request Feature
✈️ Travel
(13K)
free
15
Advanced Idioms Dictionary
Advanced Idioms Dictionary
Advanced Idioms Dictionary
by Le Thi Quynh Ny
Free

Explore a vast collection of idioms and proverbs with definitions and examples. Learn new phrases through interactive flashcards and test your knowledge with quizzes. This app helps you understand the nuances of idiomatic language.

Thousands of idiomsIdioms categorized by topicFlashcard learning mode
📚 Education
(1)
free
16
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
17
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

Ad-free experienceOffline English dictionary and thesaurusOffline dictionaries in 13 languages
🔍 Reference
(2.5K)
paid
18
Idiom Of The Day: Daily Phrase
Idiom Of The Day: Daily Phrase
Idiom Of The Day: Daily Phrase
learn idioms and phrase daily
Free
📚 Education
(0)
19
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
20
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

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.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
🔍 Reference
(28K)
free with in-app purchases

FAQ about Idioms Dictionary

What are the best idioms dictionary apps for iPhone?
Dictionary.com: English Words tops our idioms dictionary apps ranking as of June 2026, with a 4.8-star average from 328K App Store ratings, and it's free to download.
Yes — 16 of the top idioms dictionary apps we rank are free to download, including Dictionary.com: English Words and Idioms and Slang Dictionary.
Dictionary.com: English Words shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 199+ idioms dictionary apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a comprehensive English dictionary and thesaurus, offering over 2 million trusted definitions and synonyms. It aims to help users improve their English vocabulary, understanding, and writing skills through various features.
Key features include access to millions of definitions and synonyms, a 'Word of the Day' to expand vocabulary, example sentences to show word usage, audio pronunciations, grammar tips, and a search history to track learned words.