Best Etymonline Apps

157+ iOS apps curated and reviewed

4.5 avg rating
16 free apps
Updated July 2026

Looking for free etymonline apps? 16 of our 157+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Etymonline

Etymonline English Dictionary#1

Etymonline English Dictionary by ε΄‡δΌŸ 柳

Dictionary to Build Vocabulary
Editor's Choice
πŸ“š Education
4.9😊(11K ratings)
FreeAdsIn-App Purchases
Etymonline English Dictionary screenshot 1
Etymonline English Dictionary screenshot 2
Etymonline English Dictionary screenshot 3
Etymonline English Dictionary screenshot 4
Etymonline English Dictionary screenshot 5
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

  • πŸš€ Excellent app
  • πŸ‘ Comprehensive and well-researched
  • πŸ‘ Useful for understanding word origins
  • πŸ‘ Informative and insightful

Room to Improve

  • πŸ› App version has incomplete entries
  • πŸ”’ Privacy concerns with data collection
  • πŸ’° Subscription fees too high
EtymologyExplorer#2

EtymologyExplorer by Might Could Studios LLC

Explore words and their roots!
Strong Contender
πŸ“š Education
4.8😊(1.3K ratings)
FreeAdsIn-App Purchases
EtymologyExplorer screenshot 1
EtymologyExplorer screenshot 2
EtymologyExplorer screenshot 3
EtymologyExplorer screenshot 4

Discover the fascinating origins and connections of words. This app provides visual maps of word roots, detailed etymologies, definitions, and audio pronunciations. Explore how seemingly unrelated words can share common ancestry.

What We Love

  • πŸš€ Intuitive and user-friendly
  • πŸ” Comprehensive and detailed etymology information
  • 🌟 Visually appealing and well-designed
  • πŸ“š Helpful for language learning and vocabulary building

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ” Limited database of words
  • πŸ’° Subscription model may be costly for some users
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
πŸ” Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#39in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
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

  • πŸš€ Easy to use
  • πŸ‘ Comprehensive definitions
  • πŸ‘ Helpful thesaurus
  • πŸš€ Offline access

Room to Improve

  • πŸ› Ads can be intrusive
  • πŸ› Difficulty closing ads
  • πŸ› Repetitive game questions

More Etymonline apps to explore

4
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

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.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
πŸ” Reference
(28K)
free with in-app purchases
5
Etymology Dictionary Offline
Etymology Dictionary Offline
Etymology Dictionary Offline
offline Etymology Dictionary
Free

Explore the origins and historical evolution of words with this comprehensive offline dictionary. It offers definitions, search functionality, and a quiz to test your vocabulary knowledge.

Offline access to word originsTens of thousands of words and termsSearch functionality
πŸ“š Education
(21)
free
6
Old English Wordhord
Old English Wordhord
Old English Wordhord
Medieval word of the day
Free

Discover a new Old English word daily with a medieval-inspired interface. Access widgets for your home screen, search a vast archive, and explore pronunciations and manuscript illustrations. Save, share, and categorize words to deepen your understanding of this ancient language.

Daily Old English wordHome and Lock Screen widgetsSearchable word archive
🎬 Entertainment
(216)
free with in-app purchases
7
Deep Dictionary
Deep Dictionary
Deep Dictionary
Wikipedia, Images, Thesaurus
Free

Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.

Multilingual definitionsUrban Dictionary slang integrationWikipedia content access
πŸ” Reference
(47)
ad-supported
8
Idioms and Slang Dictionary
Idioms and Slang Dictionary
Idioms and Slang Dictionary
Phrase meanings and history
Free

Explore the meanings and origins of over 61,000 idioms, slang terms, proverbs, and expressions. Understand conversational English like a native speaker with definitions, historical context, and example sentences.

Definitions from top sourcesHistory and origin of phrasesExample sentences
πŸ” Reference
(1K)
free with in-app purchases
9
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

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.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day
πŸ” Reference
(14K)
free with in-app purchases
10
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

This app provides a comprehensive offline English dictionary and thesaurus with fast searching, spelling suggestions, definitions, and usage examples. It offers extensive word data and advanced search filters without requiring an internet connection.

Offline dictionary and thesaurusFast searchingSpelling suggestions
πŸ” Reference
(85)
free
11
Greek and Latin roots finder
Greek and Latin roots finder
Greek and Latin roots finder
by Mantas Puociauskas
Free

Expand your vocabulary by understanding word origins. This app teaches you prefixes, suffixes, and roots to unlock the meaning of unfamiliar words. Mastering a few key word parts can significantly increase your word knowledge.

Learn word parts (prefixes, suffixes, roots)Unlock meaning of unfamiliar wordsBuild vocabulary effectively
πŸ“š Education
(15)
free
12
Advanced English Dictionary.
Advanced English Dictionary.
Advanced English Dictionary.
English Dictionary & Thesaurus
$2.99

This comprehensive English dictionary and thesaurus offers offline access to millions of words, definitions, pronunciations, and etymologies. Explore word connections, sample sentences, and discover new vocabulary with advanced search and unique features.

Extensive word database (4.9 million words)High-quality audio pronunciations (US, UK, AU)Advanced search technology
πŸ” Reference
(238)
paid
13
English Dictionary *
English Dictionary *
English Dictionary *
Thesaurus and Vocabulary words
Free

Enhance your English vocabulary with a comprehensive offline dictionary and thesaurus. Access over 500,000 words, their meanings, synonyms, antonyms, and pronunciations. Perfect for students and professionals to improve language skills anytime, anywhere.

Offline word searchSynonyms and antonymsWord definitions
πŸ” Reference
(1.1K)
subscription
14
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access America's leading dictionary with over 15,000 extra entries for people and places. Enjoy offline access, voice search, and daily vocabulary builders. This app offers expert word guidance with a thesaurus and example sentences.

Ad-free experience15,000+ premium entriesOffline dictionary access
πŸ” Reference
(22K)
freemium
15
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

This is a straightforward thesaurus app that provides synonyms and antonyms for words. It focuses on simplicity and ease of use, offering related words alongside definitions. An internet connection is required for it to function.

Synonyms and antonymsRelated wordsSimple interface
πŸ” Reference
(120)
free
16
Urban Dictionary
Urban Dictionary
Urban Dictionary
by Urban Dictionary LLC
Free

Access a vast collection of user-submitted definitions for slang and non-slang words. Search, vote on definitions, and discover new words with daily updates. Share interesting terms easily with friends.

Unlimited free searchesSlang and non-slang definitionsVote on definitions
πŸ” Reference
(3.5K)
free
17
WordReference Dictionary
WordReference Dictionary
WordReference Dictionary
by WordReference.com, LLC
Free

Access a comprehensive suite of dictionaries and translation tools for multiple languages. Explore conjugations, synonyms, and a vast forum with millions of answered questions. This app provides quick access to extensive language resources.

Extensive multilingual dictionariesVerb conjugatorsSynonym finder
πŸ” Reference
(5)
ad-supported
18
Advanced English Dictionary HD
Advanced English Dictionary HD
Advanced English Dictionary HD
English Dictionary & Thesaurus
$3.99

Access a vast English dictionary and thesaurus with millions of words, definitions, and pronunciations. Explore word origins, sample sentences, and discover connections with a unique conceptual thesaurus. Enjoy offline access and an ad-free experience.

Extensive word database (4.9 million words)High-quality audio pronunciations (US, UK, AU)Advanced search technology
πŸ” Reference
(59)
paid
19
Heron Derivation Dictionary
Heron Derivation Dictionary
Heron Derivation Dictionary
by Synthesized Software, LLC
$19.99

Explore the history and origins of common English words with clear, concise derivations. This reference tool is ideal for learners and anyone curious about word etymology, offering over 11,000 entries and easy cross-referencing.

Simple, concise derivations11,450+ word entriesGlossary of etymological terms
πŸ” Reference
(6)
paid
20
Radio ZET
Radio ZET
Radio ZET
by Eurozet Radio Sp z o o
Free

Listen to live radio, catch up on news, and enjoy a variety of podcasts. Discover new music, vote for your favorite hits, and access curated music channels. Participate in contests for a chance to win prizes.

Live radio streamingDaily news updatesPodcast library
🎡 Music
(8)
ad-supported

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