Goshu (語種) is the ultimate language tool for EVERYONE. Whether you're learning Japanese from your native language, a Japanese speaker learning English, Chinese, Vietnamese, Korean, or anyone who needs a universal dictionary and offline translator across 59 languages — Goshu is built for you. Best of all, it works entirely without internet after setup. Download your dictionary and AI models once, then take your studies anywhere with no subscription required for core features.

**Learn Japanese fast** — a complete **JLPT N5 to N1** library, **kanji flashcards**, **SRS spaced repetition**, and a full **offline Japanese dictionary**. Preparing for the **JLPT exam**? Practicing **kanji** and vocabulary? Need a **Japanese dictionary that works offline**? Goshu (語種) is the study companion you can trust — powerful enough to replace a textbook, simple enough for daily review.

📖 217K+ Japanese Dictionary
Search over 217,000 words, kanji, and example sentences. Get detailed definitions, kanji stroke order, JLPT level tags (N5–N1), and audio pronunciations. The redesigned search bar delivers instant results as you type.

🌉 Cross-Language Bridge — Works BOTH Ways
Goshu's unique cross-language bridge works in BOTH directions. Non-Japanese speakers can search Japanese directly from their native language — Vietnamese, Chinese, Korean, Spanish, French, Tagalog, and many more. Japanese speakers can look up English, Chinese, Vietnamese, Korean, or any word from any language. Multi-language translations appear side-by-side in every card, making Goshu truly accessible for learners of all languages, worldwide.

🤖 AI Sensei (Gemma 4)
Meet your on-device AI tutor powered by Gemma 4. Ask questions in any language, get grammar explanations, word breakdowns, conjugation help, and personalized study advice — all running locally on your device with zero internet required.

🧠 SRS Flashcards with Spaced Repetition
Master vocabulary that sticks in ANY language. Goshu's spaced repetition system automatically schedules reviews based on your performance, optimizing your learning curve. Create flashcards for Japanese, English, Chinese, Vietnamese, Korean, or any language pair. Filter decks by JLPT level (N5–N1), word type, or kanji. Track your daily streaks and earn diamond rewards.

📷 Camera OCR
Point your camera at any text — Japanese signage, English menus, Chinese books, Vietnamese packaging, Korean labels — and get instant word-by-word translations. Perfect for real-world immersion during travel or daily life in any country.

⌨️ IME Keyboard with Live Translation
Type in any app using Goshu's IME keyboard. As you type, get live translations and word suggestions. Look up words instantly without leaving your messaging, browser, or note-taking app.

📋 Clipboard Overlay Reader
Copy text from anywhere — browser, PDF, chat, or social media — and a floating overlay instantly translates it into your language. Tap any word for a detailed breakdown and add it to your flashcards. Works for all 59 languages.

🌐 59 Languages Offline Translation
Full sentence translation in 59 languages, all running offline on your device. No cloud latency, no data usage, no privacy concerns.

🌙 Dark Mode & Google Drive Sync
Full dark mode support for comfortable late-night study. Your progress, bookmarks, SRS data, and search history sync automatically across all devices via Google Drive.

Goshu is truly for everyone. Learn Japanese from your native language. Learn English, Chinese, Vietnamese, Korean, and many other languages from Japanese. Or use it as a universal dictionary and offline translator across 59 languages — no internet needed.

Free to start with daily diamond rewards. Unlock premium features like Camera OCR, AI Sensei, and semantic search through gameplay or subscription.