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Best Free Vocabulary App

250+ iOS apps & games curated and reviewed

4.8 avg rating
20 free apps & games
Updated September 2026

Word of the Day・Vocabulary is the household name in free vocabulary app, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Free Vocabulary App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Word of the Day・VocabularyWord of the Day・VocabularyFree4.7★ (39K)YesYesSep 2026
2Vocabulary Builder by MagooshVocabulary Builder by MagooshFree4.7★ (7K)NoNoSep 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesSep 2026
4Word of the Day+Word of the Day+Free4.7★ (142)YesNoSep 2026
5Vocabulary - Learn words dailyVocabulary - Learn words dailyFree4.8★ (217K)YesYesSep 2026
6Word of The Day Widget: VocaWord of The Day Widget: VocaFree4.5★ (289)NoYesAug 2026
7Wordrio: Vocabulary BuilderWordrio: Vocabulary BuilderFree——NoAug 2026
8Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoSep 2026

Top Picks for Free Vocabulary App

Word of the Day・Vocabulary#1

Word of the Day・Vocabulary by Vocabulous US Inc.

English Vocab Builder & Games
Editor's Choice
📚 Education
4.7😐(39K ratings)
FreeAdsIn-App Purchases
Word of the Day・Vocabulary screenshot 1
Word of the Day・Vocabulary screenshot 2
Word of the Day・Vocabulary screenshot 3
Word of the Day・Vocabulary screenshot 4
Word of the Day・Vocabulary screenshot 5
Word of the Day・Vocabulary screenshot 6

Enhance your vocabulary with daily words, engaging games, and personalized quizzes. This app offers expert-curated content and interactive challenges to make learning stick and improve your communication skills.

What We Love

  • 👍 Easy to learn new words
  • 🎨 Lovely illustrations
  • 🔊 Good pronunciation examples
  • 💡 Ability to save favorite words
  • 🗓️ Ability to view past words

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Lack of free features
  • 🙄 Intrusive ads
  • 🤔 Odd word choices and example sentences
  • 🐛 Buggy notifications and app crashes
Vocabulary Builder by Magoosh#2

Vocabulary Builder by Magoosh by Magoosh

Strong Contender
🎮 Games
4.7😊(7K ratings)
Free
Vocabulary Builder by Magoosh screenshot 1
Vocabulary Builder by Magoosh screenshot 2
Vocabulary Builder by Magoosh screenshot 3
Vocabulary Builder by Magoosh screenshot 4
Vocabulary Builder by Magoosh screenshot 5

Master essential vocabulary with this engaging word game. Daily quizzes cover 1200 important words with definitions and examples, progressing from basic to advanced levels. Track your learning and unlock new challenges.

What We Love

  • 👍 Effective vocabulary building
  • 🚀 Efficient learning process
  • 💡 Useful for exam preparation
  • 🤩 Fun and engaging
  • 🆓 Free and ad-free

Room to Improve

  • 🤔 Definitions can be inaccurate or misleading
  • 🤷‍♀️ Lack of pronunciation audio
  • 🔁 Repetitive word selection
  • 🐛 Progress not saved
  • 🤯 Overwhelming number of new words
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#29in 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
  • 👍 Word of the day feature
  • 👍 Fun word games

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
  • 🐛 Missing words in dictionary
  • 🐛 Unreasonable level progression in games

More Free Vocabulary App apps to explore

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FAQ about Free Vocabulary App

What is the best free vocabulary app for iPhone?
Word of the Day・Vocabulary tops our free vocabulary app ranking as of September 2026, with a 4.7-star average from 39K App Store ratings, and it's free to download.
Word of the Day・Vocabulary shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free vocabulary app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you build your vocabulary through daily words, engaging games, and personalized quizzes. It's designed to make learning vocabulary a consistent habit and improve your communication skills.
Key features include daily word insights with definitions and audio pronunciations, personalized learning plans based on your goals, various word games like Hangman and Gaps, crossword puzzles, and a 'Stop Saying' feature for finding better word alternatives.