Write in Japanese.
See what you got right — and what you didn't.

Sentence analysis, word breakdowns, and honest feedback. In real time, every time you write.

You type a sentence. Nouko breaks it apart — every word, every particle, every conjugation — and shows you what landed and what needs work.

Each sentence gets color-coded feedback: readings, part-of-speech tags, and alternative suggestions when something's off. You see the full picture, not a simplified version of it.

Toggle between vocabulary and grammar views depending on what you're focused on. Tap into any word for its reading, meaning, and context. It's the kind of feedback you'd get from a patient tutor — except it's there whenever you are.

脳子へようこそ
脳子へようこそ

Corrections show you what to change and what to try instead. Word breakdowns give you readings, grammar tags, and context. Every sentence gets taken seriously.

Learning a language is a journey. We built Nouko to walk it with you — not just the first few steps.

Some weeks you'll push hard and feel the distance closing. Some weeks you won't open the app at all. Both are part of it. There's no pressure here, and there's no score to keep. If you come back after a month away, the door was never closed.

When something's wrong, we say so — directly, without cruelty, but without dressing it up either. When something's right, we don't overinflate it. The respect is in being honest about where you are so you can decide where to go next.

At some point, the language becomes more than just something you're learning — it becomes a part of you. That's the moment we're building toward, and we'll walk with you every step of the way there.

Everything you write stays with you.

Nouko keeps a quiet record of your writing — what you practiced, when, and how it went. Not a leaderboard. Not a streak counter. Just a clear view of the path you've been walking, whenever you want to look back.

February 6
今日は静かな朝だった。Today was a quiet morning.
コーヒーを飲みながら窓の外を見た。I looked out the window while drinking coffee.
言葉が少しずつ近くなる気がする。I feel like the words are getting a little closer.

Let's.

一緒に

Start your journey