About
This learning tool helps students and parents efficiently manage incorrect answers from homework and tests. It uses advanced technology to quickly capture, organize, and review mistakes, making studying smarter and more effective.
What's New in 错题本
1.6.4
April 16, 2026
重磅更新，轻松管理错题，提高学习效率。
Subscription plans
连续包月
解锁手写擦除高级功能
Developer apps
FAQ
How does 错题本 help students with their studies?
错题本 allows students to quickly capture incorrect answers from homework and tests by taking photos. It then organizes these mistakes by subject, making it easier to review and reinforce weak areas for improved academic performance.
What are the subscription options for 错题本?
错题本 offers a monthly subscription for $1.99 and an annual subscription for $9.99. Both plans include a 3-day free trial period.
Can I cancel my 错题本 subscription?
Yes, subscriptions can be managed by the user. You can turn off auto-renewal in your account settings after purchase. The subscription automatically renews unless turned off at least 24 hours before the current period ends.
What devices does 错题本 support?
错题本 is available on iPhone, iPad, and iPod. It is designed for Apple devices.
How often is 错题本 updated?
The latest version of 错题本 is 1.6.4, and it was last updated on April 16, 2026. This indicates a recent update, suggesting ongoing development and support.
What is the age rating for 错题本?
错题本 has an age rating of 4+, making it suitable for young children and older users alike. This suggests content is generally appropriate for a wide audience.
Does 错题本 have ads?
No, 错题本 does not contain advertisements. Users can focus on their studies without interruptions from ads.
What is the user sentiment for 错题本?
错题本 has a strong rating of 4.2 stars from 5 ratings, indicating positive user sentiment. Users appreciate its efficiency in managing and reviewing incorrect answers.