# QuickErrNote-AI Error Notebook — Snap & Export Exercise PDFs

> Snap & Export Exercise PDFs (iPhone/iPad app by HappyTimes Tech Co., Ltd..)

- Source: https://appshunter.io/ios/app/quickerrnote-ai-error-notebook/id6801344489 (this page in markdown: same URL + `.md`)
- Developer: [HappyTimes Tech Co., Ltd.](https://appshunter.io/developer/1455774641)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 5 MB
- Languages: American English, Korean, Chinese (Traditional, Taiwan), Chinese (Simplified, China), Japanese
- Released: 2026-08-26
- Data updated: 2026-08-29
- User reviews in markdown: https://appshunter.io/ios/app/quickerrnote-ai-error-notebook/id6801344489/reviews.md

## What is QuickErrNote?

QuickErrorNote-AI Error Notebook
Tired of manually copying wrong questions? QuickErrorNote helps you organize study material efficiently. Snap photos of your homework or exam mistakes. The AI provides complete solutions and generates variant exercises to strengthen your weak points.
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Key Features
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- Snap to save wrong questions
Capture images of exercises. Image rotation and cropping are supported for fast error collection.
- AI Analysis & Variant Exercises
AI analyzes each question and delivers standard solutions. Generate custom variant exercises to master knowledge points.
- Organize your error library
Sort wrong questions by subject and knowledge topics for quick lookup and focused review.
- PDF Export & Printing
Build custom exercise sets and export PDF documents. Choose whether to include solutions for printing.
- Generation History
All generated documents are saved. You can view past exercises and re-export PDF files anytime.
‑ Personalized Review Schedule
Receive daily revision reminders and view the proportion of mistakes in each subject to make targeted improvements.
- Multi-language Support
AI outputs match your device system language automatically.
This app includes in-app purchases.
For support: globalfadeback@163.com
Privacy Policy: https://scnwlelia0ru.feishu.cn/wiki/VNmnw6wzaimQwMkuYjYcQNuSnHd

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 120 Points | $0.99 | one-time |
| 400 Points | $1.99 | one-time |
| 3500 Points | $12.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-08-26

No release notes.

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All apps by HappyTimes Tech Co., Ltd.: https://appshunter.io/developer/1455774641

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*