Best Etymology Dictionary Apps

249+ iOS apps curated and reviewed

4.8 avg rating
9 free apps
Updated September 2026

With an average user rating of 4.8★, the etymology dictionary category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Etymology Dictionary Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Etymonline English DictionaryEtymonline English DictionaryFree4.9★ (12K)YesYesSep 2026
2Etymology Dictionary OfflineEtymology Dictionary OfflineFree3.7★ (21)NoNoMay 2026
3Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesSep 2026
4EtymologyExplorerEtymologyExplorerFree4.8★ (1.5K)NoYesSep 2026
5Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoSep 2026
6Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesSep 2026
7Etymology DictionaryEtymology Dictionary$14.99NoNoMay 2026
8Thai Etymology DictionaryThai Etymology Dictionary$1.99NoNoAug 2026

Top Picks for Etymology Dictionary

Etymonline English Dictionary#1

Etymonline English Dictionary by 崇伟 柳

Dictionary to Build Vocabulary
Editor's Choice
📚 Education
4.9😊(12K ratings)
FreeAdsIn-App Purchases
Etymonline English Dictionary screenshot 1
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Etymonline English Dictionary screenshot 6

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.

What We Love

  • 🚀 Excellent app
  • 👍 Comprehensive and well-researched
  • 👍 Useful for understanding word origins
  • 👍 Informative and insightful
  • 👍 Straightforward and easy to use
  • 👍 Helpful for language learners
  • 👍 Authoritative and reliable
  • 👍 Indispensable resource

Room to Improve

  • 🐛 App version has incomplete entries
  • 🔒 Privacy concerns with data collection
  • 💰 Subscription fees too high
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Etymology & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(29K ratings)
FreeIn-App Purchases
#85in Reference
Oxford Dictionary & Thesaurus screenshot 1
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Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

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

More Etymology Dictionary apps to explore

FAQ about Etymology Dictionary

What are the best etymology dictionary apps for iPhone?
Etymonline English Dictionary tops our etymology dictionary apps ranking as of September 2026, with a 4.9-star average from 12K App Store ratings, and it's free to download.
Yes — 9 of the top etymology dictionary apps we rank are free to download, including Etymonline English Dictionary and Etymology Dictionary Offline.
Etymonline English Dictionary shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ etymology dictionary apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to the complete Online Etymology Dictionary, allowing users to explore the origins and history of English words. It helps users understand word roots and improve their vocabulary through features like related word suggestions and instant search.
Key features include instantaneous search with spelling suggestions, the ability to find related words that share the same origin or root, and a universal app design for iPhones and iPads. Premium users also gain access to an offline dictionary and an ad-free experience.

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