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Best Dll Dictionary Apps

219+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

The best dll dictionary apps on iPhone average 4.6★ across 219+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Dll Dictionary

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media, Inc.

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 Reference
4.7😐(19K 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
Dictionary.com: English Words screenshot 6

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!

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
Persian Dictionary - ديكشنري#2

Persian Dictionary - ديكشنري by Tao Tuan Linh

ديكشنري و مترجم فارسي انگلیسي
Strong Contender
🔍 Reference
4.7😊(10K ratings)
FreeAdsIn-App Purchases
Persian Dictionary - ديكشنري screenshot 1
Persian Dictionary - ديكشنري screenshot 2
Persian Dictionary - ديكشنري screenshot 3
Persian Dictionary - ديكشنري screenshot 4
Persian Dictionary - ديكشنري screenshot 5
Persian Dictionary - ديكشنري screenshot 6

A comprehensive offline Persian-English Dictionary app featuring over 400,000 words, audio pronunciation, vocabulary games, idioms, and daily English listening lessons. Ideal for studying, working, or traveling, offering advanced search functions and the ability to create personalized vocabulary lists. Discover a wealth of linguistic resources at your fingertips!

What We Love

  • 👍 Easy and beneficial dictionary
  • 👍 User-friendly dictionary
  • 👍 Useful dictionary
  • 👍 Well and efficiency application

Room to Improve

  • 🐛 Translation error in the animal section
  • 🔍 Search box placement issue on iPhone 14 Pro Max
  • 💤 Too many advertisements
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#90in Reference
Oxford Dictionary & Thesaurus screenshot 1
Oxford Dictionary & Thesaurus screenshot 2
Oxford Dictionary & Thesaurus screenshot 3
Oxford Dictionary & Thesaurus screenshot 4
Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

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.

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

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment

More Dll Dictionary apps to explore

4
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
(320K)
5
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

Discover a comprehensive offline dictionary app for all languages with Dict Box. Access definitions, translations, and synonyms on-the-go. Download now for quick and easy language reference.

🔍 Reference
(11K)
6
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

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.

📚 Education
(11K)
7
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Discover a revolutionary dictionary app offering fast and reliable translations in multiple languages, including French, Spanish, and German. Access over one billion translations, editorial dictionaries, offline mode, example sentences, and pronunciation guides for seamless language learning. Try it now for quick and accurate translations on the go.

🔍 Reference
(11K)
8
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

Access an all-in-one Vietnamese-English dictionary and translator app that offers offline access, effortless text translation, word suggestions, and more. Enhance your language learning with features like text-to-speech pronunciation, picture dictionary, and word reminders. Upgrade to Premium for an ad-free experience and additional benefits.

🔍 Reference
(18K)
9
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

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.

🔍 Reference
(14K)
10
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
Arabic Dictionary - Dict Box
قاموس انكليزي عربي
Free

A fast, offline English-Arabic dictionary and translation app with smart word suggestions, text translation, pronunciation, visual dictionary, and more. Access multiple dictionaries, get meanings instantly by tapping on words, and enjoy a range of useful features. Start exploring now!

🔍 Reference
(28K)
11
English Dictionary: LMDict
English Dictionary: LMDict
English Dictionary: LMDict
Dictionary English Offline
Free

Enhance your English learning with a comprehensive vocabulary resource offering grammar, thesaurus, and collocations dictionary. Access 230,000 words with examples in natural English, collocations, synonyms, and more. Improve your language skills with this ultimate English learner's tool. Explore now!

📚 Education
(875)
12
SpanishDictionary.com Learning
SpanishDictionary.com Learning
SpanishDictionary.com Learning
Translator, Conjugation & More
Free

Learn Spanish easily with a comprehensive application offering translation, conjugation, vocabulary, and grammar help. Start mastering Spanish today!

📚 Education
(9.4K)
13
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Dictionary - Dict Box
Thai Translator - Translate
Free

Gain quick access to a comprehensive offline Thai dictionary and translator with Dict Box. Perfect for on-the-go language reference and translation needs. Get it now to enhance your Thai language skills!

🔍 Reference
(3.4K)
14
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)
15
Italian Dictionary - English
Italian Dictionary - English
Italian Dictionary - English
Dictionary of 61,000+ words!
Free
🔍 Reference
(309)
16
Bright - English for beginners
Bright - English for beginners
Bright - English for beginners
Learning app for adults & kids
Free

Bright is a user-friendly English learning app designed for adult beginners. Enhance your language skills with interactive lessons, quizzes, and activities. Start your journey to fluency today!

📚 Education
(3.4K)
17
Phum Dictionary
Phum Dictionary
Phum Dictionary
by Biz Solution Co., Ltd.
Free

This application is a translation tool that provides fast and accurate definitions of words, phrases, and expressions in Khmer and English, making it perfect for students, professionals, and language learners. It offers an intuitive design, quick search, and a vast collection of words to help users enhance their language skills and bridge communication gaps.

🔍 Reference
(35)
18
LexicEN Lite English
LexicEN Lite English
LexicEN Lite English
Offline Dictionary & Thesaurus
Free

LexicEN Lite English is an offline dictionary app designed to offer fast and easy search functionality for definitions, synonyms, and translations in multiple languages. Download now to enhance your vocabulary on the go!

🔍 Reference
(1.2K)
19
Golden Dictionary (EN-AR)
Golden Dictionary (EN-AR)
Golden Dictionary (EN-AR)
Golden dictionary spokesman
Free

This comprehensive dictionary application provides translations between English and Arabic, featuring a pronouncing dictionary, synonyms, and a database of over 100,000 words to help with spelling errors and quick searches. It allows users to easily find word meanings and translations offline, making it a convenient companion for daily workflows.

🔍 Reference
(50)
20
italki - Language Learning
italki - Language Learning
italki - Language Learning
Learn Spanish, English, French
Free

Start learning or improving Spanish, English, French, and more with private tutoring from qualified native teachers. Customize your language learning experience, connect with teachers tailored to your interests, and master the skills you need. Pay per class, choose from over 150 languages, and immerse yourself in a real human connection. Join now to expand your world!

📚 Education
(628)

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