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Best Ddny Apps

191+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

Out of 191+ ddny apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Ddny

Dictionary.com: English Words#2

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

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 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
Dictionary.com: English Words screenshot 6

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
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#80in 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 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

Room to Improve

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

More Ddny apps to explore

4
DMV Genie: Permit Test 2026
DMV Genie: Permit Test 2026
DMV Genie: Permit Test 2026
Drivers Ed & Driving Exam Prep
Free

Prepare for your driver's license or permit test with comprehensive study materials and practice exams. This app offers state-specific questions, detailed explanations, and AI-powered tutoring to help you pass on your first attempt. Covers car, motorcycle, and CDL tests across all 50 states.

State-specific practice questionsRealistic mock examsDetailed explanations and hints
📚 Education
(182K)
free with in-app purchases
5
DDS 2 GO
DDS 2 GO
DDS 2 GO
Georgia DDS Services
Free

Manage your Georgia driver's license and ID account securely. Access digital licenses, view account details, pay fees, and schedule appointments. Receive important notifications about your driving record and DDS services.

Digital Driver's License and IDSecure account login with 2-step verification and fingerprint sign-inView license status, Real ID status, and address on license
💼 Business
(178)
free
6
What does MY NAME MEAN?
What does MY NAME MEAN?
What does MY NAME MEAN?
by Indigo Penguin Limited
Free

Discover the meaning and origin of over 1000 names. Users can also suggest names to be added to the growing database.

Name meaning lookupName origin information1000+ names listed
🎬 Entertainment
(120)
free
7
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
🔍 Reference
(120)
free
8
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
English/Persian Translator
Free

This app offers comprehensive English/Persian translation and dictionary services, supporting over 250,000 words with online and offline access. It also includes AI-powered writing assistance, voice and image translation, and pronunciation guides.

English/Persian Dictionary & Translator (Online & Offline)AI Grammar Improvement & ParaphrasingVoice and Image Translation
🔍 Reference
(6)
free with in-app purchases
9
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Erweitern Sie Ihren Wortschatz
Free

Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.

Learn new words dailyCustomizable difficulty levelsSelect vocabulary categories
📚 Education
(206K)
free with in-app purchases
10
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
🔍 Reference
(5)
ad-supported
11
ICD10 Consult
ICD10 Consult
ICD10 Consult
Smart, quick medical coding
Free

Access a comprehensive and current ICD-10-CM medical coding resource with flexible, natural language search. This app simplifies coding by understanding synonyms, acronyms, and variations in terminology, and allows for custom notes and quick access to frequently used codes.

Flexible, natural language searchCustomizable code notesCross-referenced acronyms and synonyms
🏥 Medical
(14K)
ad-supported
12
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

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.

Offline dictionary accessVoice search for wordsDaily Word of the Day
🔍 Reference
(320K)
free with in-app purchases
13
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
🔍 Reference
(85)
free
14
Pleco Chinese Dictionary
Pleco Chinese Dictionary
Pleco Chinese Dictionary
Handwriting, OCR, flashcards
Free

This app is a comprehensive tool for learning Chinese, offering integrated dictionaries, document reading, and flashcard features. It supports various input methods including handwriting and OCR, with extensive dictionary options and pronunciation guides.

Integrated dictionaries with over 110,000 entriesFull-screen handwriting inputLive OCR for word lookup
🔍 Reference
(1.9K)
free with in-app purchases
15
English language: Learn & Play
English language: Learn & Play
English language: Learn & Play
№1 Phrases and Idioms App
Free

Master English idioms, phrases, and slang through engaging games and quizzes. This app helps you understand and memorize vocabulary using spaced repetition, improving your fluency and confidence in communication.

Learn over 1,000 idioms and phrasesStudy 50+ topicsInteractive games and quizzes
📚 Education
(7.6K)
subscription
16
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

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.

Word origin explorationInstant search with suggestionsRelated words by root
📚 Education
(11K)
free with in-app purchases
17
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Vocab Builder & Word Games
Free

Enhance your vocabulary with daily words, engaging games, and personalized quizzes. This app offers expert-curated content and interactive challenges to make learning stick and improve your communication skills.

Daily word insights with definitions and examplesVocabulary assessment and personalized learning plansWord games like Hangman and Gaps
📚 Education
(38K)
free with in-app purchases
18
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
ديكشنري و مترجم فارسي انگلیسي
Free

This app offers a comprehensive offline Persian-English and English-Persian dictionary with audio pronunciation and vocabulary games. It includes thousands of words, phrases, and examples, with an optional online translation feature. Subscription packages are available for extended access.

Offline Persian-English dictionaryOffline English-Persian dictionaryNative audio pronunciation
🔍 Reference
(10K)
free with in-app purchases
19
NextDNS
NextDNS
NextDNS
The next-generation DNS
Free

Encrypt all your DNS queries across all networks with this app. It leverages native iOS settings to bring your custom blocking policies and traffic analytics directly to your phone. Easily set up your configuration ID to enhance your online privacy and security.

Encrypts all DNS queriesUses native iOS Encrypted DNS settingsApply custom blocking policies
🔧 Utilities
(1.1K)
free
20
DC DMV
DC DMV
DC DMV
Department of Motor Vehicles
Free

Access essential District of Columbia Department of Motor Vehicles services online. Manage tickets, driver records, vehicle registration, and ID cards. Find locations, update information, and prepare for tests.

Pay tickets onlineGet certified driver recordsOrder personalized license plates
💼 Business
(4.6K)
free