쪼공

Jjogong is a smart error note app for students.

Easy registration with a photo
- Take a photo of your test paper or workbook and instantly register it as your own.

AI-based similar questions
- AI analyzes your mistakes and automatically generates similar questions. Practice the same questions repeatedly to improve your weaknesses.

Spaced Repetition Learning
- Correct three consecutive incorrect questions to complete the learning process! Depending on the number of correct answers, you'll receive review reminders after 3 hours, 24 hours, or 3 days, ensuring you never forget to review.

Ranking
- Compare your study progress with other students and stay motivated.

Key Features:
- Register questions by taking a photo
- AI-based automatic generation of similar questions
- Spaced Repetition Learning System (3 levels)
- Review push notifications
- Track your progress
- User rankings