Best Thesaurus App - Free

0+ iOS apps & games curated and reviewed

4.1 avg rating
19 free apps & games
Updated September 2026

Whether you're new to thesaurus app - free or looking for an upgrade, our curated collection of 0+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Thesaurus App - Free (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoNov 2026
2Thesaurus App - FreeThesaurus App - FreeFree1.9★ (7)NoYesNov 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (332K)YesYesNov 2026
4Power ThesaurusPower ThesaurusFree4.8★ (3.1K)YesYesNov 2026
5FreeSaurus - The Free Thesaurus!FreeSaurus - The Free Thesaurus!Free3.4★ (119)NoNoOct 2026
6Thesaurus dictionary- WordloopThesaurus dictionary- WordloopFree4.5★ (335)NoYesNov 2026
7Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesNov 2026
8Dictionary.Dictionary.Free4.8★ (15K)YesYesNov 2026

Top Picks for Thesaurus App - Free

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 Reference
4.8😐(328K ratings)
FreeAds
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Access over 2 million definitions and synonyms to enhance your English vocabulary. This app offers daily new words, example sentences, idioms, rhymes, and audio pronunciations. Improve your writing with grammar tips and explore word origins.

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate
  • 🤩 Great for expanding vocabulary

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
  • 🤔 Confusing layout changes and UI issues
  • 🤷‍♀️ Paid features not always working as expected
1.9(7 ratings)
FreeIn-App Purchases
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Find synonyms, antonyms, and related terms for any word. Tap results to initiate new searches and access a history of your queries. Offers suggestions for further exploration.

4.8😊(332K ratings)
FreeAdsIn-App Purchases
#47in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
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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

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