Kotogoo - Japanese AI Chat

Kotogoo

In-app purchases

About this app

🌸 KOTOGOO — Learn Japanese the Natural Way

Kotogoo is an AI-powered Japanese learning app that helps you practice
real conversation, improve pronunciation, and immerse yourself in
interactive stories — all in one place.

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🤖 AI CONVERSATION PRACTICE
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Chat with an AI tutor in Japanese anytime, anywhere. Get instant
responses, corrections, and explanations in your native language.
Perfect for beginners and intermediate learners who want real practice
without the pressure of speaking to a native speaker.

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📖 INTERACTIVE STORIES
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Learn Japanese through engaging stories with characters and dialogue.
Each story is designed to teach vocabulary and grammar naturally in
context. Follow along chapter by chapter at your own pace — your
progress is saved automatically.

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🎤 SPEECH RECOGNITION & PRONUNCIATION
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Speak Japanese and get real-time feedback on your pronunciation.
Practice saying words, phrases, and full sentences with confidence.
The app listens and responds — just like a real conversation partner.

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🔊 NATURAL TEXT-TO-SPEECH
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Hear every Japanese sentence spoken aloud in a natural voice.
Adjust the speech rate to match your level — slower for beginners,
faster as you improve. Premium users unlock the Marin voice for
a more natural, human-like listening experience.

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✨ KEY FEATURES
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• AI chat tutor available 24/7
• Interactive story chapters (N5–N1 levels)
• Real-time speech recognition
• Adjustable TTS speed for listening practice
• Romaji and translation support
• Progress tracking across all stories
• Supports 20+ interface languages
• Guest mode — try without signing up

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👑 KOTOGOO PREMIUM
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Unlock the full Kotogoo experience:
• 2,000,000 tokens/month (10× more than free)
• Marin AI voice — natural human-like Japanese
• Access to all story chapters
• Monthly usage reset
• Priority AI responses

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🆓 FREE TO START
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Start learning for free with no account required.
Sign up to save your progress and unlock more features.

Whether you're preparing for JLPT, planning a trip to Japan,
or simply passionate about Japanese culture — Kotogoo makes
learning fun, effective, and accessible.

始めましょう！(Let's get started!)

What’s new

Live Conversation Practice
- New Free Talk mode: practice real-time Japanese conversation with AI using your microphone
- Session prep screen shows vocabulary, grammar, and phrases to focus on before each conversation
- Live progress dashboard tracks your vocabulary growth and review history across topics
- Topic flashcards help you review key words and grammar after each session
- Improved transcript display for better conversation review