ハングル文法

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Everyone
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About this app

[Learn to Speak Korean Through Composition]
Are you only listening to and reading Korean?

To truly become fluent, the best shortcut is practicing "constructing" what you want to say in Korean—instant composition.

"Instant Korean Composition Training" is a training app that instantly translates Japanese example sentences into Korean. The goal is to reach a point where Korean flows naturally without conscious thought.

■ Recommended for:
・Those who have studied grammar but can't speak when it matters
・Those who want to prepare for TOPIK and the Korean Language Proficiency Test
・Those who want to enjoy K-POP and dramas without subtitles
・Beginners to intermediate learners who want to continue learning Korean independently

■ Features
◎ Grammar covered in TOPIK × 320 abundant questions
Learn at your current level, from beginner to advanced.

◎ Master grammar simultaneously
Each question includes a grammatical explanation of "why this expression is correct." You can naturally acquire particles, sentence endings, and frequently used expressions through composition.

◎ Enhance pronunciation and listening with audio
Input correct pronunciation with native speaker audio. Supports passive listening learning.

◎ Automatically review incorrect answers
Efficiently repeat only the questions you struggle with to firmly solidify them in your memory.

◎ Quick and easy learning in spare time
Each question can be completed in a short time. You can steadily continue learning every day during spare time such as your commute to work or school.

■ Learning Flow
1. Japanese example sentences are displayed.
2. Compose the sentence in Korean in your head.
3. Deepen your understanding with answer checking and grammar explanations.
4. Check your pronunciation with audio.

Graduate from "I understand the grammar, but I can't speak" to speaking Korean fluently.
Translate Japanese to Korean the moment you see it. Master TOPIK grammar with 52 grammar chapters and 520 instant composition questions.
Updated on
Oct 4, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, App activity, and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

・並べ替えモードを追加しました。助詞や語尾で区切ったカードを並べ替えて、韓国語の文を組み立てます。間違えたときは、その文のポイントの解説が出ます。
・アプリ全体の安定性を向上しました。
Content rating
Everyone
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App support

About the developer
COBALT LEAF
contact@cobalt-leaf.com
3-5-12, NISHISHINJUKU TOKAN SHINJUKU DAI 2 CASTEL 209 SHINJUKU-KU, 東京都 160-0023 Japan
+81 80-5361-8809