# 错别字识别 vs 公文写作大师

The clearest difference is in-app purchases: 错别字识别 at none against 公文写作大师's 6. 错别字识别 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. 公文写作大师 sells 6 in-app purchases, starting at $4.99 per 7 days. 错别字识别 asks for nothing beyond the download.

## The numbers

| Metric | 错别字识别 | 公文写作大师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 42 MB | 56 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [博宇 郝](https://appshunter.io/developer/1559676145) | [新萌 揣](https://appshunter.io/developer/1699401881) |

## What reviewers say

### 错别字识别

[App page](https://appshunter.io/ios/app/id1622143170)

**In-app purchases:** none


### 公文写作大师

[App page](https://appshunter.io/ios/app/id6462017405)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $4.99 | per 7 days |
| 高级会员 | $9.99 | per month |
| 高级会员 | $14.99 | per month |
| 高级会员 | $24.99 | per year |
| 高级会员 | $29.99 | one-time |
| 高级会员 | $39.99 | one-time |


## Frequently asked questions

### Is 错别字识别 free?

错别字识别 is free to download, with no in-app purchases.

### Is 公文写作大师 free?

公文写作大师 is free to download, with in-app purchases available.

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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.*