Best Digital Dictionary Apps

224+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated August 2026

Looking for free digital dictionary apps? 15 of our 224+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Digital Dictionary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesSep 2026
2UDictionary TranslatorUDictionary TranslatorFree4.6★ (9.3K)YesYesSep 2026
3Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoSep 2026
4Dictionary.Dictionary.Free4.8★ (15K)YesYesSep 2026
5Webster's Writer's DictionaryWebster's Writer's Dictionary$1.994.4★ (82)NoNoJul 2026
6Digital English Arabic DictionDigital English Arabic Diction$6.995.0★ (2)NoNoSep 2026
7Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesSep 2026
8Xinhua Dictionary-Chinese DictXinhua Dictionary-Chinese DictFree3.9★ (244)YesYesSep 2026

Top Picks for Digital Dictionary

Merriam-Webster Dictionary#1

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Editor's Choice
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#36in 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

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
UDictionary Translator#2

UDictionary Translator by Youdao (Hong Kong) Limited

Translate Voice, Camera, Text
Strong Contender
🔍 Reference
4.6😊(9.3K ratings)
FreeAdsIn-App Purchases
UDictionary Translator screenshot 1
UDictionary Translator screenshot 2
UDictionary Translator screenshot 3
UDictionary Translator screenshot 4
UDictionary Translator screenshot 5
UDictionary Translator screenshot 6

Translate text, voice, and images across 108 languages. This app offers a comprehensive dictionary with native examples and pronunciation guides. Premium features include camera translation, a translate keyboard, and offline mode for seamless communication.

What We Love

  • ⭐ Excellent translation accuracy
  • 🌐 Supports multiple languages
  • 📚 Comprehensive dictionary with examples
  • 🤖 Helpful text-to-speech feature

Room to Improve

  • 💰 Excessive paywall and in-app purchases
  • 🐛 Occasional translation failures or errors
  • 🔌 Requires internet connection for full functionality
Dictionary.com: English Words#3

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Worth Considering
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
Dictionary.com: English Words screenshot 4
Dictionary.com: English Words screenshot 5

Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.

What We Love

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

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues

More Digital Dictionary apps to explore

4
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
🔍 Reference
(15K)
free with in-app purchases
5
Webster's Writer's Dictionary
Webster's Writer's Dictionary
Webster's Writer's Dictionary
by Parks Digital LLC
$1.99

This app offers a unique dictionary experience for both readers and writers. It provides concise definitions for specialized words and also explores the nuances of common words with delightful and imaginative prose. Discover new connections and spark your creativity through classic examples and a serendipitous browsing experience.

Concise definitions for specialized wordsIn-depth exploration of common wordsImaginative and delightful prose
🔍 Reference
(82)
paid
6
Digital English Arabic Diction
Digital English Arabic Diction
Digital English Arabic Diction
by Digital Future LTD
$6.99

This electronic dictionary offers comprehensive English and Arabic language learning tools for students of all levels. It features multiple dictionary types, a vast vocabulary with images and example sentences, and a user-friendly interface for quick and accurate searches.

English-English dictionaryEnglish-Arabic dictionaryArabic-English dictionary
📚 Education
(2)
paid
7
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Etymology & 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
🔍 Reference
(29K)
free with in-app purchases
8
Xinhua Dictionary-Chinese Dict
Xinhua Dictionary-Chinese Dict
Xinhua Dictionary-Chinese Dict
中国首部现代汉语字典,汉语、成语、文言文、典故权威词典
Free

This app is an authoritative Chinese language learning resource, integrating 27 dictionaries including modern and ancient Chinese, idioms, and proverbs. It offers standard pronunciation guidance, stroke order visuals, and interactive learning tools for characters and words.

27 integrated dictionariesModern and ancient Chinese vocabularyIdioms, colloquialisms, and proverbs
📚 Education
(244)
free with in-app purchases
9
Digital Quranic Dictionary
Digital Quranic Dictionary
Digital Quranic Dictionary
Digital Quranic Dictionary
Free

This educational app provides a digital dictionary of Quranic words, focusing on root letters. It helps Arabic grammar students quickly find the meanings of words used in the Quran, often with relevant verse examples. The app is a free resource for learning.

Quranic word meaningsRoot letter identification3 and 4-letter roots
📚 Education
(5)
free
10
Student English Dictionary
Student English Dictionary
Student English Dictionary
All-in-One English Guide.
$4.99
📚 Education
(0)
11
Chuon Nath Digital Dictionary
Chuon Nath Digital Dictionary
Chuon Nath Digital Dictionary
by MINISTRY OF ECONOMY AND FINANCE
Free

Access the complete content of the first digital Khmer-Khmer dictionary, based on the 1967 Fifth Edition. This comprehensive reference tool was developed with support from the Royal University of Phnom Penh and Electricite Du Cambodge.

Digital Khmer-Khmer dictionaryContent from 1967 Fifth EditionOfficial publication
🔍 Reference
(59)
free
12
AI Translator & AI Dictionary
AI Translator & AI Dictionary
AI Translator & AI Dictionary
AI Translate & AI Dictionary
Free

This app offers real-time AI-powered translation for over 133 languages and functions as a global AI dictionary for over 50 languages. It supports text-to-speech and speech-to-text, enabling seamless global communication and cultural understanding.

Real-time AI translationGlobal AI dictionarySupports 133+ languages for translation
📚 Education
(34)
free
13
Eng2Thai Dictionary
Eng2Thai Dictionary
Eng2Thai Dictionary
by Digital Insider Company Limited
Free
🔍 Reference
(0)
14
Lishani Assyrian Dictionary
Lishani Assyrian Dictionary
Lishani Assyrian Dictionary
Assyrian Dictionary & Studio
Free

This app offers a comprehensive Assyrian dictionary with translations in Assyrian, Arabic, and English. It also includes a creative studio to design and share Assyrian content, with features for adding text to images and customizing designs.

Assyrian, Arabic, English translationsThousands of Assyrian wordsSave favorite words and history
📚 Education
(1)
free
15
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
🔍 Reference
(22K)
freemium
16
Xinhua Dictionary
Xinhua Dictionary
Xinhua Dictionary
Chinese-English Edition
Free

This comprehensive dictionary app offers a modern Chinese-English translation of over 13,000 characters and 3,300 words. It features multiple search methods, audio pronunciations, and dynamic writing demonstrations for Chinese characters.

Pinyin, stroke, and radical indexingChinese character and pinyin searchEnglish keyword search
📚 Education
(2)
free
17
Cherokee Nation Dictionary
Cherokee Nation Dictionary
Cherokee Nation Dictionary
Speak Cherokee every day
Free

This app offers an immersive Cherokee language learning experience with advanced search and pronunciation tools. It digitizes a foundational dictionary and provides audio, grammar notes, and AI-powered research. Users can choose to navigate the app in either Cherokee or English.

Searchable dictionaryCherokee Syllabary and English supportPronunciation audio
🔍 Reference
(12)
free
18
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

This app provides an offline dictionary and translator for over 50 languages. It offers smart word suggestions, text translation in other apps, offline pronunciation, and a picture dictionary. An optional premium upgrade unlocks advanced features and an ad-free experience.

Offline dictionary & translator50+ languages supportedSmart word suggestions
🔍 Reference
(12K)
free with in-app purchases
19
Dictionary Universal
Dictionary Universal
Dictionary Universal
by Dmitry Zhuk
$5.99

Access a vast collection of dictionaries on your iPhone, iPod touch, and iPad. This app supports StarDict and Lingvo DSL formats, offering fast searches, morphology, fuzzy matching, and pronunciation. Organize dictionaries by language and save your favorites for quick access.

StarDict and Lingvo DSL supportFast search and fuzzy matchingMorphology support
🔍 Reference
(26)
free
20
The Chinese-Latvian Dictionary
The Chinese-Latvian Dictionary
The Chinese-Latvian Dictionary
The first Chinese-Latvian bili
Free

This authorized bilingual dictionary aids Latvian speakers learning Chinese. It offers over 50,000 vocabularies, including recent terms, with quick search and cloud collection features for vocabulary review.

Authorized bilingual dictionary50,000+ vocabulariesQuick search functionality
📚 Education
(1)
free

FAQ about Digital Dictionary

What are the best digital dictionary apps for iPhone?
Merriam-Webster Dictionary tops our digital dictionary apps ranking as of August 2026, with a 4.8-star average from 324K App Store ratings, and it's free to download.
Yes — 15 of the top digital dictionary apps we rank are free to download, including Merriam-Webster Dictionary and UDictionary Translator.
Merriam-Webster Dictionary shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 224+ digital dictionary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to America's most respected dictionary, continuously updated with new words and meanings. It's designed for English language reference, education, and vocabulary building, offering features like offline access, voice search, and a thesaurus.
Key features include offline access to definitions and synonyms, voice search, a daily 'Word of the Day,' word games for vocabulary testing, favorite word tracking, and an integrated thesaurus with over 200,000 word choices. It also offers audio pronunciations by real English speakers.

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