Best Frequency Dictionary App

163+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated June 2026

Out of 163+ frequency dictionary app apps on iOS, 16 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 Frequency Dictionary App

Merriam-Webster Dictionary#1

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Editor's Choice
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#41in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

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].

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
Merriam-Webster Dictionary+#2

Merriam-Webster Dictionary+ by Merriam-Webster, Inc.

Premium Ad-free Dictionary
Strong Contender
🔍 Reference
4.8😊(22K ratings)
$9.99Ads
#13in Reference
Merriam-Webster Dictionary+ screenshot 1
Merriam-Webster Dictionary+ screenshot 2
Merriam-Webster Dictionary+ screenshot 3
Merriam-Webster Dictionary+ screenshot 4

Access a premium ad-free dictionary app for iPhone, iPad, and Apple Watch with offline capabilities, new word games, and features like integrated thesaurus, vocabulary-building quizzes, voice search, and word of the day. Perfect for English language reference and vocabulary building. Find out more by checking the Application License Agreement and App Privacy Policy.

What We Love

  • 👍 Clear and intuitive layout
  • 🚀 Convenient offline access
  • 🔍 Comprehensive word definitions
  • 🔠 Helpful thesaurus and word games

Room to Improve

  • 🐛 Frequent app freezes and crashes
  • ⚠️ Missing words and incomplete definitions
  • 🔍 Lack of spell-check and word suggestions
Dictionary Offline - Dict Box#3

Dictionary Offline - Dict Box by Xung Le

Dictionary for All Languages
Worth Considering
🔍 Reference
4.6😊(11K ratings)
FreeAdsIn-App Purchases
Dictionary Offline - Dict Box screenshot 1
Dictionary Offline - Dict Box screenshot 2
Dictionary Offline - Dict Box screenshot 3
Dictionary Offline - Dict Box screenshot 4
Dictionary Offline - Dict Box screenshot 5

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.

What We Love

  • 👍 Great app
  • 🚀 Comprehensive dictionaries
  • 🚀 Offline functionality
  • 👍 Helpful features (e.g., pronunciation, synonyms, examples)

Room to Improve

  • 🐛 Dictionaries get deleted after updates
  • 🐛 Crashes and freezes
  • 💡 Lack of dark mode option

More Frequency Dictionary App apps to explore

4
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)
5
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)
6
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)
7
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)
8
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
ديكشنري و مترجم فارسي انگلیسي
Free

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!

🔍 Reference
(10K)
9
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)
10
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)
11
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
Persian Dictionary - Dict Box
دیکشنری انگلیسی به فارسی
Free

An offline English to Persian dictionary app, providing instant translations and word definitions. Access a wide range of vocabulary without needing an internet connection. Ready to unlock the power of language at your fingertips?

🔍 Reference
(86K)
12
Concise English Dictionary
Concise English Dictionary
Concise English Dictionary
English Dictionary & Thesaurus
$0.99

Experience the power of a comprehensive English dictionary at your fingertips. Look up definitions, synonyms, antonyms, and examples of usage with ease. Enhance your vocabulary and language skills effortlessly.

🔍 Reference
(30)
13
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)
14
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!

🔍 Reference
(4.3K)
15
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)
16
Dictionary
Dictionary
Dictionary
in Widget
Free

A concise and efficient English to Japanese dictionary application that displays definitions in real-time as you type, providing a seamless and lightning-fast translation experience. Download now to access a comprehensive database of translations at your fingertips.

🔍 Reference
(4)
17
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Erweitern Sie Ihren Wortschatz
Free

Improve your vocabulary effortlessly with an app designed to enhance word power. Customize difficulty levels, select categories, and reach linguistic goals all at your own pace. Start expanding your English language skills now!

📚 Education
(15K)
18
Power Thesaurus
Power Thesaurus
Power Thesaurus
Comprehensive. Fast. Reliable.
Free

Discover a powerful, community-driven online platform offering a vast collection of synonyms, antonyms, and word associations for writers and students. Enhance your writing experience with user-friendly tools, personalized search results, and ad-free option. Join the community, contribute new terms, and access account features for an improved writing journey.

🔍 Reference
(2.9K)
19
English Dictionary - Offline
English Dictionary - Offline
English Dictionary - Offline
Offline English Dictionary
Free
🔍 Reference
(2)
20
Urban Dictionary
Urban Dictionary
Urban Dictionary
by Urban Dictionary LLC
Free
🔍 Reference
(3.5K)