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Best Technical Japanese Translation Apps

0+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good technical japanese translation apps. We benchmark 0+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Technical Japanese Translation

Japanese!! Learn Kana & Kanji#1

Japanese!! Learn Kana & Kanji by Luli Languages LLC

Hiragana, Kanji, and Grammar
Editor's Choice
📚 Education
4.8😊(22K ratings)
FreeIn-App Purchases
Japanese!! Learn Kana & Kanji screenshot 1
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Japanese!! Learn Kana & Kanji screenshot 3
Japanese!! Learn Kana & Kanji screenshot 4
Japanese!! Learn Kana & Kanji screenshot 5

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.

What We Love

  • 🚀 Great language application
  • 🚀 Fantastic app to learn hiragana characters
  • 👍 Helpful and useful for beginners
  • 👍 Well-balanced mix of lessons

Room to Improve

  • 🐛 Lacks explanations for some concepts
  • 🐛 Confusing wording in explanations
  • 🐛 Not enough example sentences
imiwa?#2

imiwa? by Pierre-Philipp di Costanzo

Japanese dictionary
Strong Contender
🔍 Reference
4.8😊(226 ratings)
FreeIn-App Purchases
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imiwa? screenshot 2
imiwa? screenshot 3
imiwa? screenshot 4
imiwa? screenshot 5
imiwa? screenshot 6

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.

What We Love

  • 🚀 Excellent dictionary with comprehensive features
  • 👍 Intuitive and user-friendly interface
  • 💡 Offline functionality is very useful
  • 🚀 Fast lookup and analysis of text

Room to Improve

  • 🐛 Occasional crashes and stability issues
  • 🔋 App takes up a lot of storage space
  • 👎 Some translations and example sentences are unreliable
Camera Translator - AI OCR +#3

Camera Translator - AI OCR + by SMART WIDGET LABS COMPANY LIMITED

Instant Photo & Text Translate
Worth Considering
🔍 Reference
4.4😞(23K ratings)
FreeAdsIn-App Purchases
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Instantly translate text from photos, documents, and signs using advanced AI and OCR technology. Supports over 100 languages and offers offline access for seamless communication anywhere.

What We Love

  • ⭐ Great app
  • ⭐ Helpful for translating
  • ⭐ Accurate translations

Room to Improve

  • 🔒 Requires paid subscription to fully use
  • 🐛 Inconsistent language detection
  • 🔍 Limited free usage

More Technical Japanese Translation apps to explore

4
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
5
Naver Papago - AI Translator
Naver Papago - AI Translator
Naver Papago - AI Translator
A smart AI translator
Free

This AI-powered translation tool supports 14 languages for text, voice, image, and website translations. It offers offline capabilities, conversation mode, and handwriting recognition to assist with language learning and communication during travel or business.

Real-time text translationImage translationVoice translation
🔍 Reference
(3.4K)
free with in-app purchases
6
Japanese Translator Offline
Japanese Translator Offline
Japanese Translator Offline
Japanese Dictionary in English
Free

Translate between English and Japanese with this offline dictionary and translator. It offers a vast vocabulary, sentence search, and pronunciation, making it ideal for travelers and language learners.

Offline translationEnglish to Japanese dictionaryJapanese to English dictionary
🔍 Reference
(779)
free with in-app purchases
7
Japanese Dictionary +
Japanese Dictionary +
Japanese Dictionary +
Translator to learn English
Free

This app offers a comprehensive bilingual dictionary for English and Japanese, with translation capabilities for words and phrases. It supports offline use for over 350,000 entries, including pronunciation and text scanning from images. Gamified learning tools and vocabulary builders are included to aid language acquisition.

Bilingual English-Japanese dictionaryOffline translation for words and phrasesImage text scanning
📚 Education
(222)
free with in-app purchases
8
InstantTranslator:AI Translate
InstantTranslator:AI Translate
InstantTranslator:AI Translate
Text, Voice & Photo Translate
Free

This AI-powered app breaks language barriers with instant text, voice, and image translation. It offers real-time subtitle translation for videos and supports over 20 languages for seamless communication.

Text translationVoice and speech translationCamera and photo translation
🔍 Reference
(3.2K)
free with in-app purchases
9
AI Chat Translation
AI Chat Translation
AI Chat Translation
Keyboard Translation
Free

This app offers AI-powered translation for conversations, text, photos, and voice. It supports over 200 languages and includes a convenient keyboard extension for instant translation.

AI Chat TranslationText TranslationPhoto Translation
📊 Productivity
(1K)
free
10
Waygo - Chinese, Japanese, and Korean Translator
Waygo - Chinese, Japanese, and Korean Translator
Waygo - Chinese, Japanese, and Korean Translator
Instant and Offline for Travel
Free

Instantly translate foreign text into English by simply pointing your phone's camera at it. This offline translator works for Chinese, Japanese, and Korean, making travel easier by translating menus, signs, and labels without a data connection.

Offline visual translationCamera-based text recognition (OCR)Supports Chinese, Japanese, and Korean
✈️ Travel
(133)
free with in-app purchases
11
Voice Translator: Translate AI
Voice Translator: Translate AI
Voice Translator: Translate AI
All Language Translation App
Free

Translate spoken words and text in real-time across over 150 languages. Utilize AI-powered translation models, camera translation for text, and AR for object identification. Features like Headphones Mode and Touch Mode facilitate seamless conversations.

AI translation with model selectionHeadphones Mode for private translationTouch Mode for face-to-face conversations
📊 Productivity
(10K)
free with in-app purchases
12
Translator Guru: Voice & Text
Translator Guru: Voice & Text
Translator Guru: Voice & Text
Speak and translate language
Free

This app transforms your phone into a live translation device, supporting over 100 languages for text, voice, and even camera-based translations. Communicate globally without language barriers.

100+ language translationsTranslator keyboard for messengersVoice-to-voice conversations
📊 Productivity
(54K)
free with in-app purchases
13
Japanese English Dictionary +
Japanese English Dictionary +
Japanese English Dictionary +
英和辞典・和英辞典
Free

This app provides a comprehensive Japanese-English and English-Japanese dictionary with definitions, example sentences, and pronunciation. It supports offline use, flashcards for learning, and advanced search options for Kanji, Kana, and English words.

Detailed definitions and examplesOffline accessPronunciation with phonetics
📚 Education
(109)
free with in-app purchases
14
Immersive Translate
Immersive Translate
Immersive Translate
Fast & Accurate AI Translation
Free

This AI-powered tool breaks down language barriers with fast, accurate translations for web pages, videos, and documents. Experience dual-language reading, input box translation, and custom AI personas for professional results.

Dual-language web page readingBilingual video subtitle translationInput box translation with hotkey
📊 Productivity
(460)
free with in-app purchases
15
Voice Language Translator Pro
Voice Language Translator Pro
Voice Language Translator Pro
Speak and Translate Speech
Free

Instantly translate speech, text, photos, and videos in over 60 languages. Communicate effortlessly across borders for travel, business, or daily interactions. Features real-time recognition, offline mode, and a keyboard extension for seamless communication.

Real-time speech recognition and translation60+ languages for text and voicePhoto and object translation
📊 Productivity
(9.3K)
subscription
16
Talk & Translate AI Translator
Talk & Translate AI Translator
Talk & Translate AI Translator
Voice, Text, Photo translation
Free

This AI-powered translator offers real-time voice, text, and photo translation for seamless global communication. It supports over 100 languages and features offline capabilities, making it ideal for travel, business, and everyday multilingual needs.

Real-time voice translationText translationPhoto translation with AR
🔍 Reference
(13K)
free with in-app purchases
17
Oyomi - AI Japanese Reader
Oyomi - AI Japanese Reader
Oyomi - AI Japanese Reader
AI Japanese Reader & Analyzer
Free

This app uses AI to analyze Japanese text, breaking down grammar, parts of speech, and pronunciation. It offers translation, EPUB reading, and a vocabulary notebook to aid learning. An interactive course and content recommendations are also provided.

AI grammar analysisPart of speech identificationSemantic sentence structure analysis
🔍 Reference
(120)
free with in-app purchases
18
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
19
Google Translate
Google Translate
Google Translate
Text, Photo & Voice Translator
Free

Instantly translate text, voice, and images between hundreds of languages. Features include offline translation, real-time conversation translation, and the ability to save frequently used phrases.

Text translationOffline translationInstant camera translation
🔍 Reference
(83K)
free with in-app purchases
20
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