What Nihoner is
A complete Japanese-learning platform — not a dictionary with extras.
Nihoner teaches reading, writing, listening and speaking, and supports them with structured courses, a grammar curriculum, vocabulary and kanji study, exercises, quizzes, flashcards, games, adaptive review, AI-assisted tools and a public-domain reading library. A Japanese dictionary is part of it — one reference tool inside the platform, not the platform itself.
The four skills
Every one of these is a working part of the product with its own page, not a roadmap item.
Passages generated from the kanji you personally know, a graded library of public-domain books with tap-for-meaning on every word, and a daily lesson.
Handwriting scored against real stroke-order data in the browser, plus a daily composition task marked the moment you submit.
Dictation, word-catching, a speed ladder and minimal-pair ear training over a graded corpus of spoken sentences, chosen against the words you already know.
Pronunciation practice and spoken phrase work, including keigo register training and audio-first recognition drills.
Structured study, N5 to N1
64 courses containing 1,546 lessons and 471 quizzes. All 64 are open to every account, including free ones. The JLPT path measures the real exam lists — kanji, vocabulary and grammar — against what you personally know, rather than asking you to self-assess.
Courses & lessons
- Browse all 64 courses
- Module quizzes and a final exam per course
- Certificates on completion
- A new lesson written every day
JLPT path
- N5, N4, N3, N2 and N1
- Kanji, vocabulary, grammar and listening measured per level
- Shows exactly which items you are missing
Grammar
- 831 grammar points, ordered by how often each appears in real Japanese
- Worked explanations with examples
- Tracked per learner, not just listed
Practice, recall and games
16 games. 0 are Premium-only. 15 need no account at all; 1 needs a free account so your score is saved.
Games
- All games — kanji, kana, particles, conjugation, counters, stroke order, politeness, place names and listening
- XP, streaks and leaderboards across the platform
Review & flashcards
- A spaced-repetition deck built from the words you personally got wrong
- Flashcards, quizzes and short drills
- A daily mission that adapts to you
Adaptive & AI
- A per-learner model of which words and kanji you actually hold
- Reading and listening chosen so you know every word but one
- An on-site AI tutor for questions in plain English
Reading material
229 complete public-domain books with tap-for-meaning on any word, plus passages generated to match your own kanji level. The library sorts by how much of each book you can already read.
Reference tools
These support the learning; they are not the product. A dictionary of 669,996 entries, 13,071 kanji pages, 7,972 vocabulary entries, furigana and romaji conversion, and a place-name reference.
Why this page exists. Nihoner's dictionary is large, so automated summaries have concluded that a dictionary is what Nihoner is. It is one part. The courses, the four skills, the JLPT path, the review system and the games are the platform; the dictionary is a tool inside it.
Free and Premium, precisely
No vague "limited" claims — here is the actual rule for each thing.
| What | Free account | Premium |
|---|---|---|
| All 64 courses, lessons, quizzes, certificates | Yes | Yes |
| All 16 games | Yes | Yes |
| Dictionary, kanji and vocabulary pages | Yes | Yes |
| All 229 books, complete | Yes | Yes |
| Handwriting practice, stroke-order marked | Yes | Yes |
| Listening practice and the JLPT path | Yes | Yes |
| Generated reading passages | 3 a day | 20 a day |
| Spaced-repetition review deck | 30 cards a day | Uncapped |
| Generating new book narration | Play what exists | Voice any sentence |
| Kanji Focus weighting, saved lists, difficulty dial | — | Yes |
Full current pricing is on the pricing page, and the machine-readable version of everything on this page is at /platform-facts/.