About InputDojo

Where it comes from

InputDojo was created by Ken Ryrbo, based in Sweden. I have studied both Japanese and Chinese, and I have lived, worked and studied in both countries — so the problem this solves is one I know from the inside rather than from a market report.

You can finish a textbook chapter, pass every exercise in it, and still not read what a Japanese or Chinese person wrote that morning. The material in the textbook was written for learners. The material you actually want to read was not. Closing that gap is the entire job, and more grammar drilling does not do it.

So InputDojo takes the content you genuinely want to read — an article, a video, a book, a page you found this morning — and turns it into something you can study: look up any word in place, keep it with the sentence it came from, meet it again before you forget it, and see honestly how close you are to the level you are aiming at.

The method

InputDojo is built on comprehensible input — the idea, associated with the linguist Stephen Krashen, that you acquire a language mainly by understanding large amounts of content slightly above your current level, rather than by memorising rules in isolation.

That conviction shows up in every decision. The reader comes first. Vocabulary is always saved with its context, because a word without a sentence is a flashcard you will forget. Grammar is explained at the moment you meet it, where it means something. Spaced repetition exists to keep what you have already met, not to become the main event. And the JLPT, HSK and CEFR tracks are there because serious learners work to a deadline, and a plan without a target is hard to stick to.

How we work

• No advertising, anywhere in the product
• Your data is never sold, and never used to train AI models
• Real quotes only — when you see a testimonial here, a real person agreed to it
• No guilt-trip notifications engineered to drag you back in
• Email goes to the person who builds InputDojo, and gets answered

For teachers

Teachers get the part that usually goes missing: real native content assigned as homework, quizzes generated from it, and a clear view of what each student actually knows — the vocabulary they have mastered, where they are struggling, and whether they are on pace for their exam. You can share a read-only progress report with a parent in one click.

You also get a direct line to the person building it. Feature requests from teachers shape what gets made next, and fixes tend to land in days.

The teacher overview walks through courses, assignments and progress tracking, and the privacy policy spells out exactly what a teacher can and cannot see about a student. If your school needs a data processing agreement, just ask.

Questions, ideas, or something that should work better — support@inputdojo.com.