SRS Everything
Add kana, kanji, vocabulary, grammar, sentences, names, or your own finds. Review them with modern FSRS scheduling.
Start anywhere. Bring your progress, or begin from scratch.
Kana, kanji, vocabulary, grammar, sentences, names.
SRS everything you want.
A Japanese learning app for the future
From kana to kanji, words, grammar, and sentences.
Crafted tools that help you learn and bring joy.
Add kana, kanji, vocabulary, grammar, sentences, names, or your own finds. Review them with modern FSRS scheduling.
Search any Japanese term and get readings, meanings, native explanations and details.
Components, radicals, meanings, and your own associations make kanji easier to return to.
N5 to N1 grammar with examples, explanations, and connections to the words and sentences you study.
Native-quality audio and pitch accent across the board from the start.
Continue from WaniKani, Bunpro, JLPT paths, or things you have already learned elsewhere.
Enjoy Japanese manga connected with our lookup and SRS. Save words, grammar, and sentences you want to review.
No single fixed path.
Start small, and see how your study grows.
Useful from beginners to advanced.
How it fits together
KanjiOS schedules, organizes, displays and expands your Japanese study over time.
You keep learning and it keeps adding up.
Multiple choice, typing, mixed modes, Japanese descriptions, notes, and FSRS scheduling for anything you keep.
All kana, Jōyō kanji, 400+ grammar points, core vocabulary, names, and sentences, organized from N5 to N1.
Search what you are studying, reading, or just curious about. Get useful detail fast, then save it or keep going.
FAQ
Designed for some or all of your Japanese study.
See how it fits your Japanese practice.
In the good ways, but KanjiOS adds the Japanese layer around it: lookup, grammar, kanji, pitch accent, audio, sentences, and modern scheduling already built in.
No. Kanji are a central piece, but they are not the whole language.
KanjiOS is built to assist your entire Japanese practice.
Yes. Use it to look up words, kanji, grammar, or names.
Pitch accent, components, and Japanese descriptions are all included.
State-of-the-art FSRS combined with multiple study modes, native Japanese
descriptions and more. You add items and they show up for review.
After 1,000+ reviews, weights optimize specifically for you.
Yes. Add words, sentences, grammar, names, or things you find while reading. If it matters to your Japanese, it can become something you keep and review.
KanjiOS includes import paths for supported tools, and comprehensive ways of bulk adding and managing your study material.
Yes. All study modes, catalog, search, FSRS scheduling, and more are free.
KanjiOS Pro adds cloud sync, native audio, Manga Reader, and deeper features.
Desktop for deep learning. Mobile PWA for reviews on the go.
Open kanjios.com/app in your phone browser and tap 'Add to Home Screen'