Kotobaia01
Listen with context.
Explore listening and reading material, follow spoken language, and revisit the parts you want to understand better.
A language, closer to you.
A little language.A larger world.
A word you hear. A sentence you understand. A conversation you make your own. Let Japanese become part of your everyday.
Explore the experienceComing to iPhone, iPad & Mac
A moment in Japanese木漏れ日komorebi
Sunlight filtering through the leaves.
Preparing for launch日本語 · 中文 · English · 한국어
01 / Discover the app
From a word to a world.
Your listening, vocabulary and practice, together.
KOTOBAIA / 01
Start with something useful.
Build a collection of words you want to use. Hear them, follow the pronunciation, and find meaning in the example.
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Make room for a little, every day.
Return to what you have learned with daily practice and reviews that fit your routine.
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Follow your curiosity.
Explore word lists, Japanese levels and the language you want to learn next.
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02 / KOTOBAIA
Made for the way you learn.
Listen. Understand. Make it yours.
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Keep useful words close.
Collect vocabulary, study word lists, review what you have learned and check your understanding with quizzes.
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Find your voice.
Use optional AI explanations, conversation and pronunciation practice when you want extra help. Cloud features and membership allowances are explained in the app.
03 / Put language into practice
With a little help from AI.
Bring listening, vocabulary, review and optional AI practice together. Build your own language routine, one useful moment at a time.
Optional AI and speech features. Availability and allowances are shown in the app.
こにゃん
Meet your everyday companion.04 / Clear choices.
Your account.
Clear choices.
Sign in to sync your learning and keep purchases linked to your Kotobaia account. Google sign-in is used to identify your account using basic profile information; Kotobaia does not receive your Google password.
The privacy policy explains account data, optional cloud processing, storage and account deletion.
Read the privacy policySmall steps. New possibilities.
A little language can take you somewhere new.
Preparing for launch · iPhone · iPad · Mac