Learn Japanese step by step with Kotrin, a comprehensive Japanese learning app designed to help you build your language skills from beginner to advanced.

Follow a learning path aligned with JLPT levels N5 through N1. Study Japanese through practical lessons that connect vocabulary, grammar and kanji, and develop your reading and listening skills along the way.

LEARN JAPANESE THROUGH STRUCTURED LESSONS

Explore over 2,000 lessons covering practical Japanese, essential grammar and vocabulary. Each lesson helps you build your knowledge through meaningful examples and focused practice.

VOCABULARY, GRAMMAR AND KANJI

Build a strong foundation in Japanese. Learn essential vocabulary, understand grammar patterns and study kanji through organized learning materials.

JLPT N5 TO N1

Study Japanese across all five JLPT levels, from N5 beginner content to advanced N1 material. Develop your knowledge progressively and prepare for the Japanese Language Proficiency Test.

READING AND LISTENING PRACTICE

Improve your Japanese comprehension through reading exercises, listening questions and audio dialogues. Learn to understand Japanese in different contexts.

SMART FLASHCARDS AND REVIEW

Revisit vocabulary and other learning materials with spaced repetition flashcards. Review what you've learned and strengthen your long-term retention.

KANJI WRITING PRACTICE

Practice writing Japanese characters directly in the app, including hiragana, katakana and kanji.

AI JAPANESE CONVERSATION PRACTICE

Practice Japanese through interactive role-play with an AI tutor and explore different conversational situations.

LEARN AT YOUR OWN PACE

Whether you're learning your first Japanese words, studying grammar, improving your comprehension or preparing for the JLPT, Kotrin gives you the tools to keep progressing.

Start learning Japanese with Kotrin.

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