Best Nihongo Master Dictionary Apps

208+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated May 2026

Looking for free nihongo master dictionary apps? 19 of our 208+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Nihongo Master Dictionary Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoAug 2026
2JapaneseJapaneseFree4.8★ (3.6K)NoNoAug 2026
3Merriam-Webster DictionaryMerriam-Webster DictionaryFree4.8★ (324K)YesYesAug 2026
4Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (29K)NoYesAug 2026
5Dictionary Offline - Dict BoxDictionary Offline - Dict BoxFree4.6★ (12K)YesYesAug 2026
6imiwa?imiwa?Free4.6★ (255)NoYesAug 2026
7Shirabe JishoShirabe JishoFree4.9★ (8.7K)NoNoAug 2026
8WordWeb DictionaryWordWeb DictionaryFree4.6★ (268)NoNoAug 2026

Top Picks for Nihongo Master Dictionary

Dictionary.com: English Words#1

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Editor's Choice
🔍 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
Japanese#2

Japanese by renzo Inc.

More than a dictionary
Strong Contender
🔍 Reference
4.8😊(3.6K ratings)
Free
Japanese screenshot 1
Japanese screenshot 2
Japanese screenshot 3
Japanese screenshot 4
Japanese screenshot 5

This comprehensive language learning tool offers an extensive dictionary with over 175,000 entries and 58,000 example sentences. It includes advanced features like handwriting recognition, conjugation search, and a text reader, alongside flashcard study tools and JLPT-specific lists. Learn Japanese offline with this pocket-sized study companion.

What We Love

  • 📚 Comprehensive dictionary with detailed information
  • 🔍 Efficient search options (kanji, radicals, handwriting)
  • 🗂️ Customizable vocabulary lists and flashcards
  • 💡 Helpful features like JLPT/Kanji Kentei levels, example sentences

Room to Improve

  • 🐛 Handwriting recognition issues, especially on newer iOS versions
  • 🔇 Text-to-speech function not working for some users
  • 🔀 Inconsistent organization of example sentences and conjugations
Merriam-Webster Dictionary#3

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Worth Considering
🔍 Reference
4.8😊(324K ratings)
FreeAdsIn-App Purchases
#34in 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

More Nihongo Master Dictionary apps to explore

4
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
5
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
6
imiwa?
imiwa?
imiwa?
Japanese dictionary ++
Free

A comprehensive offline Japanese dictionary supporting multiple languages for definitions. It includes kanji information, example sentences, and conjugation tools, making it suitable for learners of all levels.

Offline Japanese dictionaryMultilingual definitionsKanji database
🔍 Reference
(255)
free
7
Shirabe Jisho
Shirabe Jisho
Shirabe Jisho
Offline dictionary and more
Free

This app provides a comprehensive offline Japanese-English and English-Japanese dictionary. It includes extensive entries, kanji details with stroke order, name databases, and example sentences. Features handwriting recognition and advanced search options for efficient language learning.

Offline Japanese-English dictionaryKanji with stroke orderJapanese names database
🔍 Reference
(8.7K)
free
8
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
(268)
free
9
Yomiwa - Japanese Dictionary
Yomiwa - Japanese Dictionary
Yomiwa - Japanese Dictionary
with Optical Recognition
Free

This app helps you read, write, and learn Japanese with a powerful dictionary, offline OCR, and interactive flashcards. It offers advanced text analysis and a unique social feature for community support.

Offline Optical Character Recognition (OCR)Extensive Japanese dictionary with 20+ languagesInteractive flashcards for vocabulary learning
🔍 Reference
(1.1K)
free with in-app purchases
10
Japanese!! Learn Kana & Kanji
Japanese!! Learn Kana & Kanji
Japanese!! Learn Kana & Kanji
Hiragana, Katakana & Grammar
Free

Master Japanese writing with comprehensive lessons for Hiragana and Katakana. Build vocabulary and grammar skills through engaging quizzes and spaced repetition. Practice reading and writing with audio pronunciation, all offline.

Hiragana and Katakana writing lessonsVocabulary and grammar lessonsSpaced repetition review quizzes
📚 Education
(22K)
free with in-app purchases
11
MOJisho: Japanese Dictionary
MOJisho: Japanese Dictionary
MOJisho: Japanese Dictionary
Learn Japanese more naturally.
Free

This app helps millions of Japanese learners by providing extensive vocabulary and recognition for Kana, Kanji, and Romaji. It offers advanced search, handwriting and image recognition for quick input, sentence translation, and personalized learning tools like word lists and spaced repetition.

Kana, Kanji, Romaji recognitionExtensive vocabulary databaseHandwriting and image input
🔍 Reference
(1.4K)
free with in-app purchases
12
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
13
Learn Japanese Kanji: Benkyō
Learn Japanese Kanji: Benkyō
Learn Japanese Kanji: Benkyō
JLPT, Vocab & SRS Flashcards
Free

Master Japanese kanji and vocabulary with AI-powered drills and spaced repetition. Track your progress, practice writing, and review efficiently with customizable quizzes. Works offline for convenient study anytime, anywhere.

AI-powered SRS quizzesHandwriting recognition for kanji practiceOffline access to over 10,000 Kanji
📚 Education
(3.4K)
free with in-app purchases
14
Japanese Dictionary - Nihongo
Japanese Dictionary - Nihongo
Japanese Dictionary - Nihongo
Kanji, kana, vocab and grammar
Free

This app is an offline Japanese study tool that functions as a dictionary, translator, and flashcard creator. It helps users learn Japanese by analyzing text from their surroundings, such as signs and menus, and creating personalized study materials.

Offline Japanese dictionaryPicture-to-text translation (OCR)Automatic flashcard creation
🔍 Reference
(1.8K)
freemium
15
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
🔍 Reference
(241)
paid
16
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Access reliable translations for multiple languages, including French, Spanish, and German, with this comprehensive dictionary app. It offers fast, offline access to a vast database compiled by lexicographers and includes example sentences and audio pronunciations.

Translations in French, Spanish, German, and moreCompiled by over 400 lexicographersFast translations with quick search
🔍 Reference
(11K)
free
17
Japanese Dictionary Takoboto
Japanese Dictionary Takoboto
Japanese Dictionary Takoboto
Japanese language study tool
Free

This app is a comprehensive Japanese-English dictionary and language learning tool. It offers detailed information on words, including example sentences, kanji details, and conjugated forms. Search functionality supports various input methods like kanji, kana, and romaji.

200,000+ Japanese words with English translationsSearch by kanji, kana, romaji, or alphabetExample phrases and conjugated forms
📚 Education
(53)
free
18
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

This comprehensive English dictionary and thesaurus offers precise definitions, synonyms, antonyms, and related words. It features intelligent search tools, offline audio, and customizable themes to enhance your language learning experience.

140,000+ definitionsSynonyms, antonyms, and related wordsOffline audio pronunciation
🔍 Reference
(4.6K)
free with in-app purchases
19
Todaii: Learn Japanese N5-N1
Todaii: Learn Japanese N5-N1
Todaii: Learn Japanese N5-N1
Read Japanese news daily N5-N1
Free

Practice Japanese reading, listening, and speaking with daily news articles tailored to your JLPT level. Features AI conversation practice, pronunciation scoring, and mock tests for exam success.

Daily news articles for N5-N1 levelsAI conversation practice with feedbackAI pronunciation scoring
📚 Education
(1.5K)
free with in-app purchases
20
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Vietnamese Dictionary Dict Box
Engish Vietnamese Translator
Free

This app serves as a comprehensive offline Vietnamese-English dictionary and translator. It offers text translation, word suggestions, pronunciation guides, and a picture dictionary to enhance language learning and communication.

Offline dictionary and translatorText translation for sentences and paragraphsIntelligent word suggestions
🔍 Reference
(18K)
free with in-app purchases

FAQ about Nihongo Master Dictionary

What are the best nihongo master dictionary apps for iPhone?
Dictionary.com: English Words tops our nihongo master dictionary apps ranking as of May 2026, with a 4.8-star average from 328K App Store ratings, and it's free to download.
Yes — 19 of the top nihongo master dictionary apps we rank are free to download, including Dictionary.com: English Words and Japanese.
Dictionary.com: English Words shows ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 208+ nihongo master dictionary apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a comprehensive English dictionary and thesaurus, offering over 2 million trusted definitions and synonyms. It aims to help users improve their English vocabulary, understanding, and writing skills through various features.
Key features include access to millions of definitions and synonyms, a 'Word of the Day' to expand vocabulary, example sentences to show word usage, audio pronunciations, grammar tips, and a search history to track learned words.