오답노트 - 틀린 문제 복습

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About this app

Error Note is a study review app that helps you build your skills by saving photos of incorrect problems and solving them again.

Instead of just moving on when you get a problem wrong, you can create your own error note by registering a photo. You can organize saved problems by subject and review them repeatedly through the "Resolve" and "Study Records" features.

■ Key Features

1. Register Problem Photos
You can save incorrect problems to your Error Note by taking a photo with your camera or importing them from your album.

2. Organize Errors by Subject
You can classify and manage problems by subject, such as Math, English, Science, and Social Studies.

3. Resolve Study
You can identify which problems you repeatedly get wrong by resolving your saved incorrect problems.

4. Manage Study Records
You can build consistent study habits by checking the number of problems reviewed, your accuracy rate, and consecutive review days.

5. Points and Levels
You can earn points and level up when you complete a review. You can feel the sense of growth as you study consistently.

**Incorrect Answer Note** 6. Decoration Elements

Collect points to use various decoration items such as notebooks, badges, themes, and stickers.

7. Create Review PDFs

You can create an A4-sized PDF of selected incorrect answers to print or share. If necessary, you can also organize the answer key.

8. Review Notifications

You can set notifications to ensure you don't forget your review time.

■ Recommended for Students

- Students who want to reorganize their incorrect answers
- Students who want to collect photos of their workbooks or test papers
- Students who want to manage incorrect answers by subject, such as Math, English, and Science
- Students who want to build a habit of repeated review
- Students who want to collect only their incorrect answers and solve them again before an exam
- Students who want to consistently build their own study records

■ Incorrect Answers Turn into Skills

Incorrect answers are not failures, but opportunities to grow again.

The Error Note helps you consistently review by allowing you to easily collect, re-solve, and record the problems you got wrong.

Don't just skip over the problems you got wrong today; try saving them to the Error Note. Small mistakes accumulate to become your own unique skill.
Collect photos of the problems you got wrong, solve them again, and review them using your own error notebook.
Updated on
Jul 11, 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
    App activity, App info and performance, and Device or other IDs
  • This app may collect these data types
    Location, Personal info and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

이미 만들어놓은 오답노트 사진이 지워지는 현상을 개선하였습니다.
PDF기능 개선하였습니다.

오답노트는 틀린 문제를 사진으로 등록하고, 과목별로 정리하며, 다시 복습할 수 있도록 도와주는 학습 관리 앱입니다.

홈, 등록, 학습, 기록, 설정 메뉴를 통해 오답을 등록하고 복습 기록을 확인할 수 있으며, 복습 포인트, 레벨, 연속 복습일, 꾸미기 요소를 통해 꾸준한 학습 습관을 만들 수 있도록 구성했습니다.

선택한 오답 문제는 A4 PDF로 정리할 수 있도록 준비했으며, 카메라 권한, 사진 접근 권한, 알림 권한 안내도 함께 제공합니다.

틀린 문제를 그냥 넘기지 않고, 다시 보고 정리하는 습관을 만들 수 있도록 기본 기능을 구성했습니다.
Content rating
Everyone
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App support

About the developer
와이에이치미디어
help@dealbom.kr
대한민국 울산광역시 중구 중구 종가로 313 408호 (우정동,타워더모스트우정혁신도시) 44538
+82 10-3082-1146