JLPT Mastery

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JLPT preparation that adapts to you.

Practice vocabulary, grammar, and reading across all five JLPT levels. Every session targets your weak points — so you study what matters, not what's random.

8,700+ words5 JLPT levelsAdaptive practice
Designed around official JLPT patternsBuilt by bilingual engineers in Japan

Every JLPT skill, one adaptive system

Not random flashcards — structured practice that targets where you're weakest.

Adaptive Practice Engine

Each session is built from your mastery data — weak words appear more often, mastered words fade back. You always practice what will move the needle most.

NewWeakImprovingReadyMastered

Vocabulary with Curated Distractors

Wrong answers aren't random — they're words real learners confuse. Same theme, same word type, similar readings. Every wrong option is there because someone actually mixed them up.

(みず)water
お茶(おちゃ)tea
牛乳(ぎゅうにゅう)milk

Grammar & Reading Comprehension

Practice the sentence patterns that actually appear on the JLPT. Fill-in-the-blank questions built around real grammar points, not isolated rules.

きのう 図書館(としょかん)____

行きました(いきました)
行きます(いきます)
行って(いって)

Performance Intelligence

See exactly which themes are strong and which need work. Track mastery at the word level, spot patterns in your mistakes, and know where to focus before test day.

Daily Actions82%
Time & Dates58%
Food & Drink34%
Exam readiness58%

Self-study learners

Structured prep that adapts to your pace.

Future Japan residents

Build vocabulary before you arrive.

Career-driven learners

Focus on weak areas, track exam readiness.

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