Best Word Synonym And Antonym Apps

250+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated November 2026

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

Compare top Word Synonym And Antonym Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Word HippoWord HippoFree4.9★ (14K)YesYesNov 2026
2Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesNov 2026
3Power ThesaurusPower ThesaurusFree4.8★ (3.1K)YesYesNov 2026
4Synonyms & Antonyms DictionarySynonyms & Antonyms DictionaryFree2.7★ (6)NoNoOct 2026
5Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoNov 2026
6Dictionary.Dictionary.Free4.8★ (15K)YesYesNov 2026
7ThesaurasizeThesaurasizeFree4.1★ (31)YesNoOct 2026
8Synonyms EnSynonyms EnFree—NoNoMay 2026

Top Picks for Word Synonym And Antonym Apps

Word Hippo#1

Word Hippo by KAT IP PTY LTD

Thesaurus and Word Reference
Editor's Choice
🔍 Reference
4.9😊(14K ratings)
FreeAdsIn-App Purchases
Word Hippo screenshot 1
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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

  • 👍 Multi-functional app with thesaurus, dictionary, and more
  • 🚀 Comprehensive and extensive word lists
  • 📚 Helpful for writing, vocabulary building, and creative expression
  • 💰 Affordable premium upgrade with no ongoing subscription
  • 🧠 Aids in learning and expanding language skills

Room to Improve

  • 🐛 Occasional app freezes or crashes
  • 🔍 Inconvenient to re-enter search term when switching between features
  • 🔍 Lack of offline functionality
  • 💰 Premium upgrade not synced across devices
Oxford Dictionary & Thesaurus#2

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Etymology & Offline Vocabulary
Strong Contender
🔍 Reference
4.6😐(29K ratings)
FreeIn-App Purchases
#72in Reference
Oxford Dictionary & Thesaurus screenshot 1
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Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

Access 18 dictionaries and over a million words, phrases, and definitions. Translate between English and major languages, explore etymology, and find synonyms and antonyms. This trusted language reference is ideal for students, professionals, and language learners.

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
  • 👍 Helps with homework or even if you forgot how to spell write or don't know the meaning of a word
  • 👍 Excellent dictionary that has everything you'll ever need
  • 👍 Offline access is very helpful
  • 👍 Detailed definitions including word origins

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment
  • 🐛 Never connect the server
  • 🐛 Stopped working
  • 🔒 Annoying popup ads
  • 🐛 Definitions disappear before reading is complete
  • 🔒 Intrusive and persistent ads even in paid version
  • 🔒 Subscription pricing is too high
Power Thesaurus#3

Power Thesaurus by Radyushin Pty Ltd

Comprehensive. Fast. Reliable.
Worth Considering
🔍 Reference
4.8😊(3.1K ratings)
FreeAdsIn-App Purchases
Power Thesaurus screenshot 1
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Power Thesaurus screenshot 3

This app provides synonyms, antonyms, definitions, and related words, expertly reviewed for clarity. It offers a fast, user-friendly experience for writers, students, and professionals to express ideas clearly and confidently.

What We Love

  • ⭐ Invaluable tool for everyone
  • 🚀 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

  • 🔌 Could be better
  • 🐛 Crashes
  • 🐛 Crashes the second you tried to open it
  • 🐛 New updates cause crashes
  • 🐛 Crashes and won't open
  • 🐛 Crashes on open
  • 🔍 Font size
  • 🔍 Menu bar shortcut

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?
Word Hippo tops our word synonym and antonym apps ranking as of November 2026, with a 4.9-star average from 14K App Store ratings, and it's free to download.
Yes — 17 of the top word synonym and antonym apps we rank are free to download, including Word Hippo and Oxford Dictionary & Thesaurus.
Word Hippo shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ word synonym and antonym apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.