Kotojutsu: Learn Japanese

Kotojutsu: Learn Japanese

JLPT, Kanji, Hiragana & Words

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Free

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Released
November 5, 2026
Updated
November 6, 2026

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About

Learn Japanese the way you travel the Tokyo metro. Every line is a topic, every station a lesson, and Densha, your little train, rides with you from your first hiragana all the way to JLPT N1. A REAL PATH, FROM N5 TO N1 • More than 1,300 short lessons, organized as metro lines, from complete beginner to advanced. • Varied exercises: multiple choice, tiles to put in order, listening, typing in kana or rōmaji. • A yōkai to defeat at the end of each line to prove what you've learned. REVIEWS THAT COME AT THE RIGHT TIME • Spaced-repetition flashcards: each card comes back just before you'd forget it. • Kanji and vocabulary decks for every JLPT level, plus decks shared by the community. EVERYTHING TO READ AND WRITE • Kana to trace with your finger, stroke by stroke. • A Kanjidex, a dictionary and texts to read with audio, furigana and translation. • Grammar explained simply, point by point. MOTIVATION THAT LASTS • A daily streak, a goal that adapts to your pace, and your flame on the Lock Screen. • A station stamp book to fill, plus frames and app icons to unlock. • Widgets for your streak and a word to review every day, a weekly leaderboard and Siri shortcuts. 100% FREE All core content is freely available to practice every day: the full path from N5 to N1, mock exams, the Kanjidex, flashcards, kana tracing, and dictionary. The same account and progress as on kotojutsu.com. Terms: https://kotojutsu.com/conditions Privacy: https://kotojutsu.com/confidentialite
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What's New in Kotojutsu

1.1

November 6, 2026

• Animated profile frames: the Yamanote train loops its line, the ensō is drawn with a brush, sakura petals fall… and six new frames are earned in other ways than XP. • Sturdier sign-in: a network drop no longer logs you out, and the last answers of a lesson or exam are no longer lost. • Streak freeze: Densha's thaw now gets its own celebration. • Grammar: sentence-building exercises accept natural Japanese, without a leading わたしは or これは. • Small display and translation fixes.

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