Reviews at the right time
Spaced repetition brings each kanji back just before you'd forget it. Rate how well you knew it and Kyou plans the rest.
All 2,211 kanji from N5 to N1, with readings, stroke order and the words you'll actually meet. Kyou the fox schedules your reviews so each kanji comes back just before you'd forget it.
Free during early access. No account needed. Works in any browser, even offline.

Short daily sessions, built around how memory works. Open the app, do today's reviews, learn a few new kanji, done.
Spaced repetition brings each kanji back just before you'd forget it. Rate how well you knew it and Kyou plans the rest.
Already know the basics? Start at any JLPT level and mark the kanji you know, so you only study what's new.
Every kanji comes with its meanings, on and kun readings, and the common words it appears in.
See how each kanji is written, stroke by stroke or animated, for all 2,211 kanji.
Sign in to keep your progress in sync between the web app and the Android app. Or don't: an account is optional.
No ads and no tracking. Works offline, and the Android app can send one gentle reminder a day.
Choose your JLPT level and how much you want to study. Kyou suggests a pace that fits your day.
See each kanji's meaning, readings and words, then test yourself and rate how well you knew it.
Come back each day for the reviews that are due. A daily limit keeps a missed day from piling up.




On a computer, study with the keyboard: Space shows the answer, 1 to 4 rates it.
Kanji are grouped by JLPT level, so you always know what to learn next. Beginner and Elementary are free forever.
Every feature is free during early access. Later, Beginner and Elementary stay free forever, and Premium unlocks unlimited study at every level.
Yes, completely, during early access. When Premium launches, Beginner and Elementary (N5 and N4) stay free forever, and you can keep learning the higher levels for free at 5 new kanji a day. Reviews are never limited.
No. Your progress is saved on your device. Create a free account only if you want to keep it safe and use it on more than one device.
The Android app is coming soon to Google Play. Until then, the web app works on any phone: open it in your browser and add it to your home screen.
Yes. After your first visit, the web app keeps a copy of itself, so you can study without a connection. If you're signed in, your progress syncs when you're back online.
The JLPT doesn't publish official kanji lists, so the levels follow widely used community lists. Meanings and readings come from KANJIDIC, words from JLPT vocabulary lists and JMdict, and stroke order from KanjiVG.
Start with a few kanji today. Kyou will remember when you need to see them again.