# 阿信行驶证文字识别提取 vs 中观学堂

The clearest difference is in-app purchases: 中观学堂 at none against 阿信行驶证文字识别提取's 3. 中观学堂 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. 阿信行驶证文字识别提取 sells 3 one-off in-app purchases. 中观学堂 asks for nothing beyond the download.

## The numbers

| Metric | 阿信行驶证文字识别提取 | 中观学堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Size | 33 MB | 82 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [乐乐 胡](https://appshunter.io/developer/1611490147) | [Anhui Qianzhixing Culture Media Co., Ltd..](https://appshunter.io/developer/1626037900) |

## What reviewers say

### 阿信行驶证文字识别提取

[App page](https://appshunter.io/ios/app/id1669420963)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员 | $4.99 | one-time |
| 三个月会员 | $7.99 | one-time |
| 一年会员 | $12.99 | one-time |


### 中观学堂

[App page](https://appshunter.io/ios/app/id6469775258)

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

**In-app purchases:** none


## Frequently asked questions

### Is 阿信行驶证文字识别提取 free?

阿信行驶证文字识别提取 is free to download, with in-app purchases available.

### Is 中观学堂 free?

中观学堂 is free to download, with no in-app purchases.

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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.*