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Best Glossary Builder Apps

187+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

Every iPhone needs a few good glossary builder apps. We benchmark 187+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Glossary Builder Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glossary BuilderGlossary BuilderFree—NoNoMay 2026
2Glossary: Daily VocabularyGlossary: Daily VocabularyFree—YesYesJun 2026
3Advanced Dictionary&ThesaurusAdvanced Dictionary&ThesaurusFree4.7★ (4.3K)NoYesJul 2026
4Vocabulary Builder by AtlasVocabulary Builder by AtlasFree4.8★ (12K)YesYesJul 2026
5WordUp - Vocabulary BuilderWordUp - Vocabulary BuilderFree4.8★ (14K)YesYesJul 2026
6Vocabulary builder: Vocab WordVocabulary builder: Vocab WordFree4.7★ (2K)NoYesJul 2026
7FreeSaurus - The Free Thesaurus!FreeSaurus - The Free Thesaurus!Free3.4★ (120)NoNoJul 2026
8Vocabulary Builder by LearningVocabulary Builder by LearningFree4.7★ (387)NoYesJul 2026

Top Picks for Glossary Builder

Advanced Dictionary&Thesaurus#3

Advanced Dictionary&Thesaurus by MobiSystems, Inc.

English dictionary with Audio
Worth Considering
🔍 Reference
4.7😊(4.3K ratings)
FreeIn-App Purchases
Advanced Dictionary&Thesaurus screenshot 1
Advanced Dictionary&Thesaurus screenshot 2
Advanced Dictionary&Thesaurus screenshot 3
Advanced Dictionary&Thesaurus screenshot 4
Advanced Dictionary&Thesaurus screenshot 5

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.

What We Love

  • 🚀 Quick and easy to use
  • 👍 Comprehensive dictionary and thesaurus
  • 📚 Helpful for expanding vocabulary
  • 🔍 Useful for writing and research

Room to Improve

  • 🐛 Some words not recognized
  • 🔍 Limited advanced vocabulary
  • 💤 Boring or overly simple 'Word of the Day'

More Glossary Builder apps to explore

4
Vocabulary Builder by Atlas
Vocabulary Builder by Atlas
Vocabulary Builder by Atlas
Daily Word of the Day Widget
Free

Enhance your English vocabulary with a personalized, science-based approach. Master new words, phrases, and idioms through curated lessons, interactive exercises, and AI-powered explanations. Track your progress and stay consistent with daily reminders and widgets.

Personalized proficiency testCurated curriculum for all levelsDaily Word of the Day with illustrations
📚 Education
(12K)
free with in-app purchases
5
WordUp - Vocabulary Builder
WordUp - Vocabulary Builder
WordUp - Vocabulary Builder
Learn New English Words Via AI
Free

This app uses AI to personalize your English vocabulary learning journey. It offers interactive challenges, AI-powered practice with a virtual teacher and celebrities, and detailed word pages with AI-generated visuals. Track your progress and expand your word knowledge effectively.

AI-powered personalized learning map25,000 prioritized English words9 interactive challenge types
📚 Education
(14K)
free with in-app purchases
6
Vocabulary builder: Vocab Word
Vocabulary builder: Vocab Word
Vocabulary builder: Vocab Word
The best way to learn English
Free

This app helps you build a strong English vocabulary through engaging gameplay. It offers thousands of words across numerous levels, with adaptive challenges that adjust to your skill. Customize your learning experience and track your progress as you master new words.

Thousands of words30+ levelsAdaptive gameplay
📚 Education
(2K)
free with in-app purchases
7
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

This is a straightforward thesaurus app that provides synonyms and antonyms for words. It focuses on simplicity and ease of use, offering related words alongside definitions. An internet connection is required for it to function.

Synonyms and antonymsRelated wordsSimple interface
🔍 Reference
(120)
free
8
Vocabulary Builder by Learning
Vocabulary Builder by Learning
Vocabulary Builder by Learning
Daily Words app & Vocab Widget
Free

Enhance your English vocabulary with daily words, definitions, and usage examples. Access over 20,000 words across various categories, set personalized learning goals, and test your knowledge with interactive quizzes. Features include home screen widgets and shareable flashcards for convenient learning.

Daily Word of the Day20,000+ Word LibraryPersonalized Learning & Goals
📚 Education
(387)
free with in-app purchases
9
Exam Vocabulary Builder
Exam Vocabulary Builder
Exam Vocabulary Builder
by Renkara Media Group, Inc.
Free

Expand your English vocabulary for academic and professional exams with this app. It uses flashcard-like learning with definitions, synonyms, and example sentences. Features include spaced repetition, quizzes, and progress tracking.

Flashcard-like learningDefinitions, synonyms, example sentencesSpaced repetition mode
📚 Education
(3)
free with in-app purchases
10
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
(320K)
free with in-app purchases
11
Ultimate Vocabulary Builder
Ultimate Vocabulary Builder
Ultimate Vocabulary Builder
Master English words-GRE®,SAT®
Free

Master English vocabulary through a fun, gamified learning experience. This app helps you build your word knowledge for standardized tests and competitive exams with features like flashcards, context-based learning, and progress tracking. It's designed for efficient and engaging vocabulary improvement.

Gamified learning with game currency rewardsContext-based word learning with examplesFlashcards with pictorial representations
📚 Education
(612)
free
12
VividVocab: Remember Words
VividVocab: Remember Words
VividVocab: Remember Words
English Vocabulary Builder
Free

Enhance your English vocabulary with memorable images and spaced repetition. This app helps you learn new words daily through personalized learning, visual mnemonics, and interactive quizzes. Transform your communication skills and master exams with a fun, habit-forming approach.

Visual mnemonics for memorizationSpaced repetition for long-term recallPersonalized word learning
📚 Education
(77)
subscription
13
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
14
Blanks
Blanks
Blanks
by Kai Kunze
Free

Learn new English words with this interactive app. It presents definitions and multiple-choice answers, allowing you to drag and drop the correct word. Receive immediate feedback with visual cues for correct or incorrect selections.

Learn new English wordsWord definitions providedMultiple-choice answers
📚 Education
(6)
free with in-app purchases
15
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
16
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
17
Painless - Vocabulary Builder
Painless - Vocabulary Builder
Painless - Vocabulary Builder
Easy to Learn English Words
Free

Master English vocabulary with a stress-free, swipe-based learning system. This app uses a clever memory algorithm that adapts to your learning patterns, integrating words into engaging stories for better retention. Prepare for standardized tests with an extensive word bank.

Swipe-based vocabulary cardsAutomatic word knowledge sensingPersonalized learning algorithm
📚 Education
(91)
free with in-app purchases
18
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
(1.1K)
subscription
19
Vocaby - Word of the Day
Vocaby - Word of the Day
Vocaby - Word of the Day
Learn English Words Daily
Free

Learn new words through a fun, swipe-based system. Get definitions, pronunciations, and example sentences for thousands of words. The app intelligently schedules reviews to help you retain what you learn.

Swipe-based word learningSpaced repetition system (FSRS)Pronunciation and example sentences
📚 Education
(18)
free with in-app purchases
20
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

FAQ about Glossary Builder

Are there free glossary builder apps for iPhone?
Yes — 19 of the top glossary builder apps we rank are free to download, including Glossary Builder and Glossary: Daily Vocabulary.
Glossary Builder has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 187+ glossary builder apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.