# 布抄 vs VVDig

The clearest difference is in-app purchases: VVDig at none against 布抄's 12. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 布抄 sells 9 in-app purchases, starting at $19.99 per year. VVDig asks for nothing beyond the download.

## The numbers

| Metric | 布抄 | VVDig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai-and/id1662750988/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Subscription | — |
| Size | 46 MB | 45 MB |
| Requires iOS | 13.0 | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Chongqing Cuyi Technology Co., Ltd](https://appshunter.io/developer/1657063984) | [湖南状元堂教育科技有限公司](https://appshunter.io/developer/1732968597) |

## What reviewers say

### 布抄

[App page](https://appshunter.io/ios/app/ai-and/id1662750988)

This app helps students and parents organize and review academic mistakes. It allows for easy capture of incorrect answers, creation of custom study materials, and even the removal of handwriting from test papers to create blank practice sheets. Export and share your study materials for collaborative learning.

**Highlights:** AI-powered error collection, Handwriting removal from test papers, Customizable error notebooks, Generate practice tests from errors, Export notes and tests (PDF, Word, Image), Share study materials with friends

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年会员 | $19.99 | per year |
| 1月会员 | $3.99 | one-time |
| 1季度会员 | $7.99 | one-time |
| 1年会员 | $12.99 | one-time |
| 1年会员 | $14.99 | one-time |
| 新人专享一年送半年会员 | $14.99 | one-time |
| 6年会员 | $24.99 | one-time |
| 半年会员 | $24.99 | one-time |
| 永久会员 | $29.99 | one-time |


### VVDig

[App page](https://appshunter.io/ios/app/vvdig/id6756649551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 布抄 free?

布抄 is free to download, with in-app purchases available.

### Is VVDig free?

VVDig is free to download, with no in-app purchases.

### Do 布抄 or VVDig have ads?

Neither 布抄 nor VVDig shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*