Error Book
Study Book
Free · Designed for iPad
Welcome to Error Book, your essential tool for mastering math by revisiting and correcting your mistakes! Designed specifically for students, this app helps you organize and understand the complex problems you've previously gotten wrong, making everything simple and straightforward.
Key Features:
- Create and name your own folders for each subject or topic.
- Add photos, handwritten notes, and reminders directly inside each template.
- Set learning goals (“Targets”) and check them off daily with a tap.
- Use “Check NOW” to mark your study days.
- Add upcoming exams, assignments, or goals with a specific date.
Download Error Book now and take the first step towards mastering your math skills! Let’s transform your mistakes into learning opportunities and enhance your understanding of complex topics, all while making everything simple!
Ratings & Reviews
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1. Add the camera function for adding photos.
The developer, Chak Ho Wong, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Chak Ho Wong
- Size
- 1.1 MB
- Category
- Education
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Error.Book Inc.