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Dozo
Learn Japanese N5 to N1 with a real teacher in your corner
Kana, kanji, grammar, vocab, reading, listening and JLPT mock tests in one platform, plus a private tutor for speaking practice. Built by a Japanese teacher who has taught hundreds of students. N5 to N1, new content weekly. Free to start, no credit card.
Hi Product Hunt 👋
I'm Nana, a Japanese teacher. Over the years I've taught hundreds of students, and I kept watching the same thing happen. People start motivated, download five apps, buy two textbooks, and quit around month two. Japanese isn't what beats them. The habit is.
So I built Dozo, the platform I wished I could hand every student on day one.
The first two months are designed around one job: getting you to study every day. Ten to fifteen minutes is enough. You get a plan sized to your real level from a placement test, daily targets you can actually hit, and a streak that makes showing up feel normal instead of forced. Once the habit holds, everything else compounds.
Underneath that, the platform tracks you skill by skill. Grammar, vocabulary, kanji, listening, each one measured separately, rolled into a JLPT readiness score, with your weak areas surfaced automatically. Spaced repetition then pulls cards from what you actually studied and resurfaces them right before you'd forget.
Here's the part I care about most. Your teacher sees that same picture. They follow your progress between lessons, spot where you're slipping, and walk into every session already knowing what to work on. So your 1-on-1 time goes to speaking, not to reviewing flashcards together. You talk, they correct, you leave more confident than you came in.
Everything else lives in one place too: hiragana and katakana with stroke order and native audio, 2,200+ kanji, full N5 to N1 grammar and vocabulary, graded reading stories with furigana, listening built on real situations like ordering food and checking into a hotel, and JLPT mock tests.
Free to start, no credit card, and first users get a month free while we build this out together.
One question for you: what made you quit Japanese the last time you tried? I'm reading every comment today.
About Dozo on Product Hunt
“Learn Japanese N5 to N1 with a real teacher in your corner”
Dozo was submitted on Product Hunt and earned 8 upvotes and 3 comments, placing #52 on the daily leaderboard. Kana, kanji, grammar, vocab, reading, listening and JLPT mock tests in one platform, plus a private tutor for speaking practice. Built by a Japanese teacher who has taught hundreds of students. N5 to N1, new content weekly. Free to start, no credit card.
On the analytics side, Dozo competes within Education, Languages and Online Learning — topics that collectively have 97k followers on Product Hunt. The dashboard above tracks how Dozo performed against the three products that launched closest to it on the same day.
Who hunted Dozo?
Dozo was hunted by Nihongo Nana. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Dozo including community comment highlights and product details, visit the product overview.
Nihongo Nana