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Best Dictionary.com Apps

249+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated August 2026

With an average user rating of 4.5★, the dictionary.com category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Dictionary.com Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoAug 2026
2Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
3Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesAug 2026
4Dictionary.Dictionary.Free4.8★ (15K)YesYesAug 2026
5WordWeb DictionaryWordWeb DictionaryFree4.6★ (268)NoNoAug 2026
6Dictionary & TranslatorDictionary & TranslatorFree4.7★ (13K)YesYesAug 2026
7English Dictionary *English Dictionary *Free4.6★ (1.2K)NoYesAug 2026
8Dictionary - EnglishDictionary - EnglishFree3.7★ (112)NoNoAug 2026

Top Picks for Dictionary.com

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
#98in 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

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
Merriam-Webster Dictionary#2

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Strong Contender
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#33in 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
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Etymology & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(29K ratings)
FreeIn-App Purchases
#100in 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

More Dictionary.com 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
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
6
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
7
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
(1.2K)
subscription
8
Dictionary - English
Dictionary - English
Dictionary - English
English Dictionary Offline
Free

This offline English dictionary and thesaurus provides definitions, synonyms, antonyms, and example sentences for over 147,000 words. It offers intelligent word suggestions, spelling corrections, and integrates with Wikipedia for deeper learning. Save favorite words and track your search history.

Offline dictionary and thesaurus147,000+ wordsSynonyms and antonyms
🔍 Reference
(112)
free with in-app purchases
9
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
(12K)
free with in-app purchases
10
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
(4.6K)
free with in-app purchases
11
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
12
SpanishDictionary.com Learning
SpanishDictionary.com Learning
SpanishDictionary.com Learning
Translator, Conjugation & More
Free

Master Spanish with this comprehensive app. It offers translation, verb conjugation, interactive lessons, pronunciation videos, and vocabulary practice. Learn online or offline with millions of trusted users.

Spanish-English DictionarySpanish-English TranslatorSpanish Verb Conjugations
📚 Education
(199K)
free with in-app purchases
13
English Dictionary - Offline
English Dictionary - Offline
English Dictionary - Offline
Offline English Dictionary
Free

A comprehensive offline English dictionary offering in-depth word definitions, usage examples, and rich language data. Explore synonyms, antonyms, pronunciations, and more without an internet connection.

Offline accessDetailed word definitionsUsage examples
🔍 Reference
(7)
free with in-app purchases
14
English Dictionary:Word Search
English Dictionary:Word Search
English Dictionary:Word Search
The Global English Dictionary
Free

This reference app offers a comprehensive English dictionary based on the word usage of millions of global users. It provides clear word classifications, authentic audio pronunciations for example sentences, and supports multiple languages for a deeper understanding of English vocabulary.

Word usage data from 15 million users11 languages supportedClear word classification
🔍 Reference
(2)
free
15
All English Dictionary
All English Dictionary
All English Dictionary
by ILHWAN CHO
Free

Access a comprehensive collection of English dictionaries and thesauruses in one place. Search words across multiple sources simultaneously, including Urban Dictionary, Merriam-Webster, and Oxford. Track your vocabulary progress with curated lists for standardized tests.

Simultaneous dictionary searchMultiple dictionary sourcesThesaurus integration
📚 Education
(4)
ad-supported
16
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
17
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
18
Free Urban Dictionary
Free Urban Dictionary
Free Urban Dictionary
by Capermint Technologies Private Limited
Free

Access a comprehensive English lexical database with definitions, synonyms, and semantic relations. Discover new words daily, search offline, and customize your reading experience.

Word of The DayEasy SearchAdd to Favorites
📚 Education
(4)
free
19
Spanish Dictionary +
Spanish Dictionary +
Spanish Dictionary +
Translator to learn English
Free

This app provides a comprehensive bilingual dictionary and translator for English and Spanish. It offers offline access to over 350,000 words and phrases, along with pronunciation, text scanning, and vocabulary-building games. Ideal for students, travelers, and language enthusiasts looking to improve their skills.

Bilingual English-Spanish dictionaryOffline translation for words and phrasesText scanning via camera
📚 Books
(1.9K)
free with in-app purchases
20
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
(2.6K)
paid

FAQ about Dictionary.com

What are the best dictionary.com apps for iPhone?
Dictionary.com: English Words tops our dictionary.com apps ranking as of August 2026, with a 4.8-star average from 328K App Store ratings, and it's free to download.
Yes — 18 of the top dictionary.com apps we rank are free to download, including Dictionary.com: English Words and Merriam-Webster Dictionary.
Dictionary.com: English Words shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ dictionary.com apps on the iOS App Store as of August 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.