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Best Free Dictionary App Vocabulary

219+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

Dictionary.com is the household name in free dictionary app vocabulary, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Free Dictionary App Vocabulary

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
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
Vocabulary - Learn words daily#2

Vocabulary - Learn words daily by Monkey Taps

Erweitern Sie Ihren Wortschatz
Strong Contender
📚 Education
4.8😊(205K ratings)
FreeAdsIn-App Purchases
#4in Education
Vocabulary - Learn words daily screenshot 1
Vocabulary - Learn words daily screenshot 2
Vocabulary - Learn words daily screenshot 3
Vocabulary - Learn words daily screenshot 4
Vocabulary - Learn words daily screenshot 5
Vocabulary - Learn words daily screenshot 6

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!

What We Love

  • 👍 Beautiful app design
  • 🔊 Pronunciation feature
  • 📚 Wide range of vocabulary
  • 🔖 Ability to bookmark words

Room to Improve

  • 🐛 Pronunciation issues and mismatched IPA
  • 🔍 Limited search functionality
  • 🔢 Too many words per day
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#37in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

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].

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 Free Dictionary App Vocabulary apps to explore

4
LookUp: English Dictionary App
LookUp: English Dictionary App
LookUp: English Dictionary App
Build vocabulary, a word daily
Free

Build your vocabulary with a daily word and interactive quizzes using an innovative English Dictionary app. Enjoy a comprehensive dictionary, thesaurus, translations, and powerful vocabulary builder for English learners and word enthusiasts.

🔍 Reference
(3.1K)
5
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)
6
Bright - English for beginners
Bright - English for beginners
Bright - English for beginners
Learning app for adults & kids
Free

Bright is a user-friendly English learning app designed for adult beginners. Enhance your language skills with interactive lessons, quizzes, and activities. Start your journey to fluency today!

📚 Education
(27K)
7
Vocabulary builder: Vocab Word
Vocabulary builder: Vocab Word
Vocabulary builder: Vocab Word
The best way to learn English
Free

Enhance your English vocabulary with a user-friendly app that offers thousands of words across 30 levels, adaptive gameplay, and unique mechanics for an engaging learning experience. Track your progress, unlock new levels, and customize your own challenges for a fun-filled educational journey.

📚 Education
(2K)
8
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)
9
WordPal - Vocabulary Builder
WordPal - Vocabulary Builder
WordPal - Vocabulary Builder
Learn new words: expand vocab
Free

Improve your English vocabulary rapidly with an intuitive app that uses spaced repetition and engaging exercises to help you learn new words efficiently. Access definitions, examples, and track your progress easily for free, with the option to upgrade for more features like games and additional word sets.

📚 Education
(8.8K)
10
Vocabulary.com
Vocabulary.com
Vocabulary.com
by Curiosity Media, Inc.
Free

Learn and expand your vocabulary with an addictive game-like experience using a smart and fast dictionary system. Personalized learning, achievements, and real-world examples make it easy to master new words and improve communication skills. Start mastering words with the most effective word learning system available!

📚 Education
(4.9K)
11
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

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.

🔍 Reference
(28K)
12
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Vocab Builder & Word Games
Free

Elevate your vocabulary with a daily word companion app designed to enhance your word power effortlessly. From academic to obscure words, this app tailored by linguists recommends personalized words, aids in self-improvement, and offers a vast collection of beautifully narrated word stories daily. Join now and start your journey towards mastering the art of words.

📚 Education
(38K)
13
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
(85)
14
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

🔍 Reference
(120)
15
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)
16
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
ديكشنري و مترجم فارسي انگلیسي
Free

A comprehensive offline Persian-English Dictionary app featuring over 400,000 words, audio pronunciation, vocabulary games, idioms, and daily English listening lessons. Ideal for studying, working, or traveling, offering advanced search functions and the ability to create personalized vocabulary lists. Discover a wealth of linguistic resources at your fingertips!

🔍 Reference
(10K)
17
WordUp | Vocabulary Builder
WordUp | Vocabulary Builder
WordUp | Vocabulary Builder
Learn New English Words Via AI
Free

Learn English effortlessly with an AI-powered vocabulary builder. Enhance your language skills with daily word recommendations, knowledge mapping, multilingual translations, and entertaining examples. Perfect for beginners, exam preparation, or native speakers - try it out now!

📚 Education
(14K)
18
Vocabulary Builder by Learning
Vocabulary Builder by Learning
Vocabulary Builder by Learning
Daily Words app & Vocab Widget
Free

Meet your daily companion for English word mastery, designed for busy professionals, students, and lifelong learners. Stay ahead with daily word boosts, interactive quizzes, and personalized learning paths to improve your vocabulary and achieve your goals.

📚 Education
(379)
19
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

Access an all-in-one Vietnamese-English dictionary and translator app that offers offline access, effortless text translation, word suggestions, and more. Enhance your language learning with features like text-to-speech pronunciation, picture dictionary, and word reminders. Upgrade to Premium for an ad-free experience and additional benefits.

🔍 Reference
(18K)
20
Concise English Dictionary
Concise English Dictionary
Concise English Dictionary
English Dictionary & Thesaurus
$0.99

Experience the power of a comprehensive English dictionary at your fingertips. Look up definitions, synonyms, antonyms, and examples of usage with ease. Enhance your vocabulary and language skills effortlessly.

🔍 Reference
(30)

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