How It Works
Five simple steps to master Japanese grammar through active practice.
Choose Your Level
Choose your grammar level (Beginner, Intermediate, or Advanced).
Pick a Grammar Point
Pick a grammar point from the list.
Select Your Topic
Select or enter a topic you like — from anime to business!
Get AI-Generated Sentences
Get an English sentence generated by AI.
Translate & Get Feedback
Translate it into Japanese and receive instant feedback.
Why Practice with NUNU
Key features that make your learning journey effective and enjoyable.
Personalized Grammar Drills
Based on your interests — practice vocabulary and grammar in contexts that matter to you.
Real-Time AI Feedback
Powered by advanced language AI — get instant, detailed feedback on your translations.
Engaging Practice Method
Fun, engaging way to practice Japanese translation skills — make learning enjoyable.
Frequently Asked Questions About NUNU
Have another question? Contact us for support.
What exactly is NUNU and how does it work?
NUNU is an AI-powered Japanese learning platform that focuses on active translation practice. You choose your JLPT level and grammar point, receive AI-generated English sentences, translate them into Japanese, and get detailed feedback on your work.
Do I need to be fluent in Japanese to use NUNU?
Not at all! NUNU is designed for learners at all levels, from complete beginners (N5) to advanced students (N1). The AI generates sentences appropriate for your chosen level and provides detailed feedback to help you improve.
What JLPT levels does NUNU support?
NUNU supports all JLPT levels from N5 (beginner) to N1 (advanced). Each level includes comprehensive grammar coverage with thousands of practice sentences tailored to your proficiency level.
How does the AI feedback work?
Our AI analyzes your Japanese translations and provides detailed feedback on grammar accuracy, word choice, and naturalness. You'll also receive reference translations to compare with your work and learn from the differences.
Can I practice with custom topics?
Yes! You can choose from predefined topics like daily life, business, travel, or create your own custom topics. This allows you to practice vocabulary and grammar in contexts that interest you most.
How much does it cost to practice?
NUNU uses a credit-based system. New users get 2 free credits to start. Each practice session costs 1 credit per sentence. You can practice 1-3 sentences per session, and credits are deducted when you generate sentences.
How long are my credits valid?
All credits, including free and purchased credits, are valid for 180 days from the date of acquisition. This gives you plenty of time to practice at your own pace.
Ready to Master Japanese Grammar?
Start practicing today and learn Japanese grammar, one sentence at a time.