Best Etymology Online Apps

163+ iOS apps curated and reviewed

4.6 avg rating
13 free apps
Updated May 2026

If you already know Etymonline English Dictionary, this is the deeper bench. 163+ etymology online apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Etymology Online

Etymonline English Dictionary#1

Etymonline English Dictionary by 崇伟 柳

Dictionary to Build Vocabulary
Editor's Choice
📚 Education
4.9😊(11K ratings)
FreeAdsIn-App Purchases
Etymonline English Dictionary screenshot 1
Etymonline English Dictionary screenshot 2
Etymonline English Dictionary screenshot 3
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A comprehensive English dictionary app offering word origins and vocabulary building tools. Features include instant search with spelling suggestions, offline dictionary access, related words, and premium ad-free and offline functionality. Explore word roots and enhance your vocabulary effortlessly.

What We Love

  • 🚀 Excellent app
  • 👍 Comprehensive and well-researched
  • 👍 Useful for understanding word origins
  • 👍 Informative and insightful

Room to Improve

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

Dictionary. by Farlex, Inc.

by TheFreeDictionary.com
Worth Considering
🔍 Reference
4.8😊(14K ratings)
FreeAdsIn-App Purchases
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Discover a comprehensive Dictionary and Thesaurus app with a Word of the Day feature, offline access, and resources from top sources. Access millions of definitions, synonyms, translations, and more for a versatile language tool.

What We Love

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

Room to Improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features

More Etymology Online apps to explore

4
EtymologyExplorer
EtymologyExplorer
EtymologyExplorer
Explore words and their roots!
Free

Explore words and their roots with this word origin app! Features include a visual map of word origins, connections between related words, etymology in full written form, and more. Discover the fascinating relationships between words - download now!

📚 Education
(1.3K)
5
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

Access a premier iOS app for English language reference, education, and vocabulary building, with new word games and quizzes for learning. Features universal access, offline capabilities, voice search, daily word learning, thesaurus, example sentences, and pronunciations by real speakers. Enjoy features like favorite word syncing and Apple Watch integration. Subscribe to remove ads and access extra resources. Manage your subscription easily. Terms of Use: [Link to Terms of Use].

🔍 Reference
(3.2K)
6
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

Access one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.

🔍 Reference
(28K)
7
Etymology Dictionary Offline
Etymology Dictionary Offline
Etymology Dictionary Offline
offline Etymology Dictionary
Free

This offline etymology dictionary app provides access to tens of thousands of words and their origins, allowing users to explore the history and evolution of language. With features like search, bookmarking, and quizzing, users can learn and engage with etymology offline, and even contribute to the dictionary by adding new terms.

📚 Education
(21)
8
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

Discover a comprehensive offline dictionary and thesaurus with fast search, spelling suggestions, definitions, synonyms, and more. Enjoy ad-free browsing, usage examples, and unique search features without the need for an internet connection. Explore WordWeb Dictionary for a seamless word lookup experience.

🔍 Reference
(243)
9
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary, Thesaurus, Vocab
Free

Access the ultimate English language learning app packed with quizzes, games, and over 2 million definitions and synonyms. Enhance your vocabulary with word puzzles and daily challenges, enjoy dark mode, offline access, voice search, and more. Improve your English skills effortlessly!

🔍 Reference
(328K)
10
Advanced English Dictionary.
Advanced English Dictionary.
Advanced English Dictionary.
English Dictionary & Thesaurus
$2.99

Explore a comprehensive English dictionary app with advanced features for definitions, synonyms, and examples. Enhance your vocabulary and language skills with this user-friendly tool. Start expanding your English knowledge today!

🔍 Reference
(238)
11
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

🔍 Reference
(120)
12
Etymology Detector
Etymology Detector
Etymology Detector
by Jonathan McCormick
Free
📚 Education
(0)
13
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro
by TheFreeDictionary.com
$9.99

Access the premium ad-free Dictionary and Thesaurus Pro app by TheFreeDictionary.com for comprehensive offline dictionary and thesaurus content in multiple languages, including offline translations.

🔍 Reference
(2.5K)
14
Latin Etymology Dictionary
Latin Etymology Dictionary
Latin Etymology Dictionary
Latin words, names, roots
$2.99
🔍 Reference
(0)
15
WordReference Dictionary
WordReference Dictionary
WordReference Dictionary
by WordReference.com, LLC
Free

Access the powerful dictionary and translation tools of the most popular website with this app. Instantly look up translations in multiple languages, access forums with millions of Q&A, and utilize conjugators and synonyms. Don't misspell "WordReference" when searching!

🔍 Reference
(5)
16
German Etymology Dictionary
German Etymology Dictionary
German Etymology Dictionary
etymological dictionary
$2.99

This comprehensive etymological dictionary provides detailed information on over 40,000 German words, including etymology, pronunciation, and meaning, making it an essential tool for English speakers learning German. With features like customizable word lists, prefix and suffix lists, and daily learning capabilities, users can efficiently expand their vocabulary and understanding of the German language.

🔍 Reference
(3)
17
Greek Dictionary +
Greek Dictionary +
Greek Dictionary +
Translator to learn English
Free

A bilingual English to Greek and Greek to English dictionary app with offline capabilities, pronunciation, image text scanning, vocabulary games, and learning tools. Ideal for students, teachers, tourists, and language learners. Enhance your language skills and vocabulary effortlessly.

📚 Books
(869)
18
Proto Indo European Etymology
Proto Indo European Etymology
Proto Indo European Etymology
etymology dictionary
$2.99

This etymology dictionary app provides an offline version of a comprehensive resource on Proto-Indo-European, exploring the language, culture, and way of life of its ancient speakers. With features like bookmarking, note-taking, and customizable lists, users can delve into the history and mythology of this ancient civilization and start learning today.

🔍 Reference
(2)
19
Korean Dictionary +
Korean Dictionary +
Korean Dictionary +
Translator to learn English
Free
📚 Education
(216)
20
Gaelic etymology dictionary
Gaelic etymology dictionary
Gaelic etymology dictionary
the origins of Gaelic words
$0.99

This comprehensive dictionary provides an offline resource for exploring the origins of Gaelic words, making it an essential tool for students and linguists. With features like customizable lists, easy navigation, and flashcards, users can dive deeper into the language and start learning today.

🔍 Reference
(0)