독!한자 - 뇌가 초록색으로 절여지는 한자 복습 지옥

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About this app

💀 Take on your forgetfulness head-on! Your fierce Hanja memorization partner, [Dok!Hanja]

Meet the most efficient and persistent Hanja flashcard app for preparing for the Korean Language and Literature Society's Hanja Proficiency Test (ranging from Level 8 to the highest difficulty, Level 1).

Say goodbye to tedious studying! Now, the forgetting curve algorithm relentlessly follows you to help you master your Hanja memorization.

■ 🧠 Brain-hacking Forgetting Curve Cycle Review (SM-2 Algorithm)

Stop the meaningless Hanja study of mindlessly writing, making cram sheets, memorizing, and then forgetting! Dok!Hanja is equipped with an epoch-based SM-2 algorithm that tracks the user's learning level and incorrect answer data in real time. It uncannily catches the exact timing right before your brain forgets, pinpointing exactly the Hanja you need for the day and guiding you into a "review prison."

Dok!Hanja ■ 🔥 5 Relentless Learning Modes You Can't Forget Even If You Try

1. Hanja Flashcards: Memorize characters instantly with intuitive, large flashcards and a responsive layout.

2. Multiple-Choice Hanja Quiz: Cultivate a sense of the actual Hanja certification exam by solving multiple-choice questions, and imprint the meanings and pronunciations of incorrect characters into your mind with immediate feedback on wrong answers.

3. Look-alike Hanja Quiz: Cultivate an eye for precise distinction by targeting only the shapes that are incredibly easy to confuse, such as 己, 已, and 巳.

4. Word Quiz: Combine individual characters to form actual words, boosting your vocabulary while learning characters within context more naturally.

■ 🔒 Relentlessly Pursuing Unlimited Offline Usability

* 100% Fully Offline Operation: No problem even if Wi-Fi is cut off! All learning data and memorization algorithms function fully even on airplanes or deep in subways without a data connection. * 0% Registration and Personal Information Requirements: You can use all Hanja levels for free and without limits immediately upon installation, without the hassle of entering personal information or logging in.

* Optimized for Mobile Screens: Designed to accommodate various device resolutions and notch screens, it guarantees a clean and comfortable viewing experience anytime, anywhere.

Progress badges by level and powerful visual feedback will forcefully boost your motivation to learn.

Start the toughest and smartest challenge toward passing Level 1 Hanja right now with [Dok! Hanja]!
Hanja Review Prison to start in just 3 seconds without signing up! Meet the relentless Hanja cards that persistently chase you even on airplanes or subways without a data connection.
Updated on
Sep 26, 2026

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.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit

What’s new

[v6.22.2 대규모 업데이트 안내]

• 일본어 JLPT 학습 시스템 전면 강화
- 일본 전용 상용한자 300자 및 JLPT 어휘 수천 개 신규 추가
- 단어 퀴즈 힌트 일본식 발음 및 음독/훈독 색상 구분 도입
- N5 기초 한자부터 차례대로 출제되는 체계적 학습 지원

• 화면 편의성 및 안정성 개선
- 학습 카드 헤더 개편 및 스크롤 최적화
- 학습 기록 완벽 보호를 위한 대용량 저장소 적용
- 단어 퀴즈 발음 및 뜻풀이 오류 정밀 교정
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Everyone
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About the developer
이승훈
coder.collie.dev@gmail.com
South Korea