Shutoku

習得 — acquire, master. 9,000+ words, kana drills, grammar, conjugation practice and AI translations. Your Japanese journey starts here.

Shutoku (習得) — Japanese Learning, Mastered.

Shutoku is a comprehensive Japanese learning app built around spaced repetition — the proven method that shows you what you need to review exactly when you need to review it, so you remember more with less effort.

VOCABULARY Study vocabulary across all five JLPT levels (N5–N1) plus an Extras deck, with over 9,000 words. Each word includes readings, meanings, example sentences, and contextual notes. Cards are presented Japanese→English and English→Japanese so you build recall in both directions.

KANA Learn hiragana and katakana from scratch with dedicated flashcard decks. Master the scripts before moving on to vocabulary.

GRAMMAR Browse over 80 grammar points organised by category — from basic conjugation to formal and stylistic patterns. Each entry includes English and Japanese explanations with example sentences.

CONJUGATION Practice verb and adjective conjugation across all major forms — present, past, て-form, volitional, passive, causative, potential, imperative, and causative-passive. Covers る-verbs, う-verbs, irregular verbs, い-adjectives, な-adjectives, and irregular adjectives.

TRANSLATIONS Practice translating sentences between Japanese and English with AI-powered feedback. The AI adapts to your level and covers a wide variety of topics.

DICTIONARY Browse the full vocabulary database with filters for new, review, and known words. Search by Japanese, reading, or English meaning.

SPACED REPETITION Shutoku uses a proven SRS algorithm to schedule reviews at the optimal time. Rate each card from Again to Easy and the app handles the rest — showing struggling cards more often and known cards less frequently.

STREAKS & PROGRESS Track your daily streaks per deck and overall to build a consistent study habit.

Whether you're a complete beginner starting with hiragana or an advanced learner pushing towards N1, Shutoku gives you the tools to make real progress.