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Best Word Synonym And Antonym Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our word synonym and antonym apps list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Word Synonym And Antonym Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8β˜… (328K)YesNoSep 2026
2Power ThesaurusPower ThesaurusFree4.8β˜… (3K)YesYesSep 2026
3Word HippoWord HippoFree4.9β˜… (14K)YesYesSep 2026
4Synonyms & Antonyms DictionarySynonyms & Antonyms DictionaryFree2.7β˜… (6)NoNoSep 2026
5Dictionary.Dictionary.Free4.8β˜… (15K)YesYesSep 2026
6Vocabulary - Learn words dailyVocabulary - Learn words dailyFree4.8β˜… (217K)YesYesSep 2026
7Etymonline English DictionaryEtymonline English DictionaryFree4.9β˜… (12K)YesYesSep 2026
8Word of the Day・VocabularyWord of the Day・VocabularyFree4.7β˜… (39K)YesYesSep 2026

Top Picks for Word Synonym And Antonym Apps

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media, Inc.

Dictionary, Thesaurus, Vocab
Editor's Choice
πŸ” 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

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

  • πŸš€ Robust dictionary and thesaurus
  • πŸ€“ Helpful resources like blogs and articles
  • πŸ’‘ Useful word games and puzzles
  • πŸ‘ Easy to use and navigate
  • 🀩 Great for expanding vocabulary

Room to Improve

  • πŸ› Inconsistent search results and missing definitions
  • πŸ’Έ Aggressive ads even after paid upgrades
  • 🀯 Frequent crashes and performance issues
  • πŸ€” Confusing layout changes and UI issues
  • πŸ€·β€β™€οΈ Paid features not always working as expected
Power Thesaurus#2

Power Thesaurus by Radyushin Pty Ltd

Comprehensive. Fast. Reliable.
Strong Contender
πŸ” Reference
4.8😊(3K ratings)
FreeAdsIn-App Purchases
Power Thesaurus screenshot 1
Power Thesaurus screenshot 2
Power Thesaurus screenshot 3

Find accurate synonyms, antonyms, definitions, and related words with this comprehensive and fast thesaurus. Designed for writers, students, and professionals, it offers intuitive navigation and smart filters to help you express ideas clearly and confidently.

What We Love

  • ⭐ Invaluable tool for everyone
  • πŸš€ Must have
  • ⭐ Superior
  • ⭐ Synonyms
  • ⭐ Indispensable
  • ⭐ Excellent
  • ⭐ Comprehensive
  • ⭐ Powerful
  • ⭐ Vocabulary Growth
  • ⭐ Adore Learning Words
  • ⭐ Great Alternative Resource
  • ⭐ Stimulates Creativity
  • ⭐ Helpful Thesaurus
  • ⭐ Excellent tool for writers
  • ⭐ Incroyable
  • ⭐ Wonderful!
  • ⭐ Absolutely brilliant
  • ⭐ An indispensible writing tool
  • ⭐ AMAZING APP
  • ⭐ Fantastic
  • ⭐ Truly Amazed!
  • ⭐ Absolutely indispensable
  • ⭐ INVALUABLE!
  • ⭐ Truly, a powerful thesaurus.
  • ⭐ Wonderful App for University Papers!!
  • ⭐ An Absolute Great App
  • ⭐ amaaazing app
  • ⭐ Absolutely brilliant
  • ⭐ AMAZING APP

Room to Improve

  • πŸ”Œ Could be better
  • πŸ› Crashes
  • πŸ› Crashes the second you tried to open it
  • πŸ› New updates cause crashes
  • πŸ› Crashes and won't open
  • πŸ› Crashes on open
  • πŸ” Font size
  • πŸ” Menu bar shortcut
Word Hippo#3

Word Hippo by KAT IP PTY LTD

Thesaurus and Word Reference
Worth Considering
πŸ” Reference
4.9😊(14K ratings)
FreeAdsIn-App Purchases
Word Hippo screenshot 1
Word Hippo screenshot 2
Word Hippo screenshot 3
Word Hippo screenshot 4
Word Hippo screenshot 5
Word Hippo screenshot 6

This app offers a comprehensive suite of word tools, including an advanced thesaurus for synonyms and antonyms, example sentences, rhyming words, and word type identification. It also features word finders for games, definitions, and translations into numerous languages.

What We Love

  • πŸ‘ Multi-functional app with thesaurus, dictionary, and more
  • πŸš€ Comprehensive and extensive word lists
  • πŸ“š Helpful for writing, vocabulary building, and creative expression
  • πŸ’° Affordable premium upgrade with no ongoing subscription
  • 🧠 Aids in learning and expanding language skills

Room to Improve

  • πŸ› Occasional app freezes or crashes
  • πŸ” Inconvenient to re-enter search term when switching between features
  • πŸ” Lack of offline functionality
  • πŸ’° Premium upgrade not synced across devices

More Word Synonym And Antonym Apps apps to explore

FAQ about Word Synonym And Antonym Apps

What are the best word synonym and antonym apps for iPhone?
Dictionary.com: English Words tops our word synonym and antonym apps ranking as of September 2026, with a 4.8-star average from 328K App Store ratings, and it's free to download.
Yes β€” 20 of the top word synonym and antonym apps we rank are free to download, including Dictionary.com: English Words and Power Thesaurus.
Dictionary.com: English Words shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ word synonym and antonym apps on the iOS App Store as of September 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.