# 幕布 vs 错题本

The clearest difference is rating: 幕布 at 4.9 against 错题本's 4.2. 幕布 also leads on update cadence (every 8 days vs every 2 months) and ratings volume (514 vs 5). 错题本's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 幕布 sells 10 in-app purchases, starting at $1.99 per month and 错题本 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

幕布 holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: 幕布 has 514 ratings behind it against 5, so its average is the more settled of the two.

幕布 ships an update every 8 days, 错题本 every 2 months. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 幕布 | 错题本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (514 ratings)](https://appshunter.io/ios/app/and/id1214302139/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/id6448860597/reviews) |
| Number of ratings | **514** | 5 |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Freemium | Freemium |
| Size | 79 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shilihu Technology Co., Ltd.](https://appshunter.io/developer/1695665682) | [深圳市美易网科技有限公司](https://appshunter.io/developer/1647736306) |

## What reviewers say

### 幕布

[App page](https://appshunter.io/ios/app/and/id1214302139)

This app helps you organize thoughts and information using outline notes and mind maps. It supports task management, content creation, and team collaboration with real-time syncing across devices. Ideal for students and professionals seeking structured thinking and efficient planning.

**Highlights:** Outline note-taking, Mind map generation, Task management, Content creation assistance, Cross-device synchronization, Team collaboration, Template library

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 幕布高级版-1月 | $1.99 | per month |
| 幕布高级版-2月 | $2.99 | per 2 months |
| 幕布高级版-半年 | $9.99 | per 6 months |
| 幕布高级版-1年 | $14.99 | per year |
| 幕布高级版-1个月 | $1.99 | one-time |
| 幕布高级版-1年 | $14.99 | one-time |
| 幕布高级版-2年 | $24.99 | one-time |
| 幕布超级会员-1年 | $29.99 | one-time |
| 幕布高级版-3年 | $29.99 | one-time |
| 幕布超级会员-1年 | $34.99 | one-time |


### 错题本

[App page](https://appshunter.io/ios/app/id6448860597)

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.

**Highlights:** Photo capture of incorrect answers, Automatic removal of handwriting, Subject-based categorization, Detailed breakdown of questions and solutions, Custom practice test generation, Daily review for targeted learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.99 | per month |
| 连续包年 | $9.99 | per year |


## Frequently asked questions

### Is 幕布 free?

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

### Is 错题本 free?

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

### Which has better reviews, 幕布 or 错题本?

幕布 is rated higher. 幕布 averages 4.9 out of 5 from 514 ratings, while 错题本 averages 4.2 from 5 ratings.

### Do 幕布 or 错题本 have ads?

Neither 幕布 nor 错题本 shows ads.

### Which is updated more often, 幕布 or 错题本?

幕布 ships an update every 8 days, and 错题本 every 2 months. Most recently, 幕布 was updated on September 28, 2026 and 错题本 on September 19, 2026.

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