Best Etymological Dictionary Apps

241+ iOS apps curated and reviewed

4.6 avg rating
10 free apps
Updated October 2026

Out of 241+ etymological dictionary apps on iOS, 10 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Etymological Dictionary Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Etymonline English DictionaryEtymonline English DictionaryFree4.9★ (12K)YesYesOct 2026
2Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesOct 2026
3Dictionary.Dictionary.Free4.8★ (15K)YesYesOct 2026
4Dutch etymology dictionaryDutch etymology dictionary$1.99—NoNoAug 2026
5Advanced English Dictionary.Advanced English Dictionary.$2.994.7★ (241)NoNoOct 2026
6Advanced English Dictionary HDAdvanced English Dictionary HD$3.994.7★ (59)NoNoOct 2026
7Etymology Dictionary OfflineEtymology Dictionary OfflineFree3.7★ (21)NoNoMay 2026
8Urban DictionaryUrban DictionaryFree4.5★ (3.5K)NoNoOct 2026

Top Picks for Etymological 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
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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#2

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Etymology & Offline Vocabulary
Strong Contender
🔍 Reference
4.6😐(29K ratings)
FreeIn-App Purchases
#84in Reference
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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
Dictionary.#3

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Worth Considering
🔍 Reference
4.8😊(15K ratings)
FreeAdsIn-App Purchases
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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.

What We Love

  • 🚀 Comprehensive and detailed definitions
  • 👍 Helpful thesaurus and translation features
  • 🎮 Fun word games and activities
  • 📚 Vast amount of information beyond just definitions
  • 🔍 Easy to use and navigate

Room to Improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features
  • 🔋 Drains battery life quickly

More Etymological Dictionary apps to explore

FAQ about Etymological Dictionary

What are the best etymological dictionary apps for iPhone?
Etymonline English Dictionary tops our etymological dictionary apps ranking as of October 2026, with a 4.9-star average from 12K App Store ratings, and it's free to download.
Yes — 10 of the top etymological dictionary apps we rank are free to download, including Etymonline English Dictionary and Oxford Dictionary & Thesaurus.
Etymonline English Dictionary shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 241+ etymological dictionary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.