Practicing retrieval strengthens memory and long-term retention more than repeated study.
Writing and speaking forces you to choose grammar and words, creating deeper processing that sticks.
Creating your own output (sentences) boosts memory vs. passive review.
Quick placement to estimate JLPT level and ask whether to include gairaigo (loanwords). This lets Zenshin tailor your content and avoid flooding you with loanwords if you don't want them.
Pick JLPT bands (N5 → N1) and content categories (core, gairaigo core/extra, proper nouns). You stay in control.
Get personalized exercises that train your recall and output using relevant vocabulary and grammar patterns. Practice retrieving Japanese from memory to strengthen retention.
Get correctness + naturalness with concrete suggestions (particles, word choice, register). Short by default; deep dive on demand.
Your sentences/words are saved to a dashboard. Review with spaced repetition so you can practice as much as you want.
Quick placement to estimate JLPT level and ask whether to include gairaigo (loanwords). This lets Zenshin tailor your content and avoid flooding you with loanwords if you don't want them.
Pick JLPT bands (N5 → N1) and content categories (core, gairaigo core/extra, proper nouns). You stay in control.
Get personalized exercises that train your recall and output using relevant vocabulary and grammar patterns. Practice retrieving Japanese from memory to strengthen retention.
Get correctness + naturalness with concrete suggestions (particles, word choice, register). Short by default; deep dive on demand.
Your sentences/words are saved to a dashboard. Review with spaced repetition so you can practice as much as you want.
Scientifically backed exercises for effective language learning
Recent research shows that actively producing language significantly improves vocabulary retention compared to passive input methods. Output-based activities enhance productive vocabulary knowledge.
Saying/writing/creating content yields better memory than passive reading. Your own sentences stick better than pre-made examples.
Hundreds of grammar points and thousands of words, organized by proficiency level.
Translate/write first; feedback second. Train your production skills from day one.
Intelligent corrections for naturalness and grammar, unlimited spaced repetition review for mastery.
Toggle gairaigo and proper nouns to fit your goals and learning preferences.
Track sentences, time writing, clauses used, and words written.
Check all assignment sentences at once; fast iteration and immediate feedback.