Best Idioms And Slang Dictionary Apps

206+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Out of 206+ idioms and slang 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.

Compare top Idioms And Slang Dictionary Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Idioms and Slang DictionaryIdioms and Slang DictionaryFree4.7★ (1K)YesYesJul 2026
2English language: Learn & PlayEnglish language: Learn & PlayFree4.6★ (7.6K)YesYesAug 2026
3English Idioms and SlangsEnglish Idioms and SlangsFree4.7★ (39)YesNoJul 2026
4Dictionary.Dictionary.Free4.8★ (15K)YesYesAug 2026
5English Idioms CardsEnglish Idioms CardsFree4.6★ (873)NoYesAug 2026
6Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
7Urban DictionaryUrban DictionaryFree4.5★ (3.5K)NoJul 2026
8Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoAug 2026

Top Picks for Idioms And Slang Dictionary

Idioms and Slang Dictionary#1

Idioms and Slang Dictionary by Farlex, Inc.

Phrase meanings and history
Editor's Choice
🔍 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
English language: Learn & Play#2

English language: Learn & Play by Smertrios

№1 Phrases and Idioms App
Strong Contender
📚 Education
4.6😞(7.6K ratings)
FreeAdsIn-App Purchases
English language: Learn & Play screenshot 1
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English language: Learn & Play screenshot 3
English language: Learn & Play screenshot 4
English language: Learn & Play screenshot 5
English language: Learn & Play screenshot 6

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.

What We Love

  • 👍 Good app for learning idioms
  • 🚀 Helpful for improving English vocabulary
  • 📚 Useful for non-native English speakers

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Difficult to cancel subscription
  • 🐛 Occasional bugs and errors in the app
English Idioms and Slangs#3

English Idioms and Slangs by Reev Tech Inc.

500+ Native English Idioms
Worth Considering
📚 Education
4.7(39 ratings)
FreeAds
English Idioms and Slangs screenshot 1
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English Idioms and Slangs screenshot 3
English Idioms and Slangs screenshot 4
English Idioms and Slangs screenshot 5

Master English idioms and phrases with over 1,300 essential entries. Features personalized flashcards, audio pronunciation, and progress tracking for effective, on-the-go learning. Study offline with customizable reminders and dark mode.

More Idioms And Slang 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
(15K)
free with in-app purchases
5
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
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
(324K)
free with in-app purchases
7
Urban Dictionary
Urban Dictionary
Urban Dictionary
by Urban Dictionary LLC
Free

Access a vast collection of user-submitted definitions for slang and non-slang words. Search, vote on definitions, and discover new words with daily updates. Share interesting terms easily with friends.

Unlimited free searchesSlang and non-slang definitionsVote on definitions
🔍 Reference
(3.5K)
free
8
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary, Thesaurus, Vocab
Free

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.

2 million+ definitions and synonymsWord of the DayExample sentences
🔍 Reference
(328K)
free with in-app purchases
9
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
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
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
12
UrbanWatch - Slang Dictionary
UrbanWatch - Slang Dictionary
UrbanWatch - Slang Dictionary
Slang dictionary on your wrist
Free

Access a comprehensive slang dictionary with definitions, a daily word, and random entries. Save your favorite terms and sync them across your devices. Share interesting definitions with friends.

Slang definitionsWord of the DayRandom definitions
🔍 Reference
(9)
free with in-app purchases
13
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
(268)
free
14
Slang Dictionary
Slang Dictionary
Slang Dictionary
by Sharpened Productions
Free

Discover the meanings of thousands of slang terms, acronyms, and abbreviations. This free app provides definitions, examples of use, and popularity ratings, helping you understand and use modern language effectively. It's fully functional offline and updates daily.

Thousands of slang termsDefinitions and examplesPopularity ratings
🔍 Reference
(41)
free
15
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
16
Urban Dictionary - Daily Slang
Urban Dictionary - Daily Slang
Urban Dictionary - Daily Slang
Slang & Internet Language
Free

Explore modern slang, internet expressions, and everyday sayings with clear definitions and real examples. Stay fluent in contemporary language and understand online culture.

Search slang words and expressionsDiscover trending slang dailySimple definitions
🌟 Lifestyle
(17)
free with in-app purchases
17
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
18
English Idioms Illustrated
English Idioms Illustrated
English Idioms Illustrated
by Aidan Potts
Free

Explore the fascinating origins and meanings of hundreds of English idioms through engaging illustrations. Learn about the history behind phrases like "Achilles’ heel" and "Wrong side of bed" with Professor Potts. Expand your vocabulary and understanding of idiomatic expressions.

Illustrated idiom explanationsOrigin stories of phrasesHundreds of idioms covered
📚 Education
(10)
free with in-app purchases
19
English Idioms Daily
English Idioms Daily
English Idioms Daily
Idioms Daily • Widgets & Alert
Free

Master common English idioms, phrasal verbs, and slang with daily learning notifications and interactive quizzes. Improve fluency with native audio pronunciation and smart translation features. Designed for learners preparing for exams like IELTS and TOEFL.

Thousands of idioms, phrasal verbs, slang, and proverbsDaily idiom learning notificationsInteractive quizzes for progress tracking
📚 Education
(4)
free with in-app purchases
20
English Idioms & Slang Phrases
English Idioms & Slang Phrases
English Idioms & Slang Phrases
English Idioms & slang
Free

Master everyday English with a vast collection of idioms and slang. Learn meanings, usage examples, and pronunciation to speak more naturally and confidently. Interactive quizzes and progress tracking make learning engaging.

Extensive idiom and slang collectionClear meanings and real-life examplesAudio pronunciation for speaking practice
📚 Education
(3)
free with in-app purchases

FAQ about Idioms And Slang Dictionary

What are the best idioms and slang dictionary apps for iPhone?
Idioms and Slang Dictionary tops our idioms and slang dictionary apps ranking as of July 2026, with a 4.7-star average from 1K App Store ratings, and it's free to download.
Yes — 20 of the top idioms and slang dictionary apps we rank are free to download, including Idioms and Slang Dictionary and English language: Learn & Play.
Idioms and Slang Dictionary shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 206+ idioms and slang dictionary apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides definitions and historical context for over 61,000 English idioms, slang terms, proverbs, and expressions. It helps users understand the origins and usage of common phrases, making conversational English easier to master.
Key features include in-depth definitions from authoritative sources, historical origins of phrases, multiple example sentences, voice search, audio pronunciations, bookmarking, and advanced search functionalities like 'Starts with' and 'Wildcard'.