# CAJ阅读器 vs 虚拟教研室新版

The clearest difference is in-app purchases: 虚拟教研室新版 at none against CAJ阅读器's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CAJ阅读器 sells 3 in-app purchases, starting at $2.99 per month. 虚拟教研室新版 asks for nothing beyond the download.

CAJ阅读器 ships an update every 11 days, 虚拟教研室新版 weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CAJ阅读器 | 虚拟教研室新版 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (11 ratings)](https://appshunter.io/ios/app/caj-caj/id6447676025/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 45 MB | 274 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Light Speed Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1670291399) | [北京中教仪科技有限公司](https://appshunter.io/developer/1639536743) |

## What reviewers say

### CAJ阅读器

[App page](https://appshunter.io/ios/app/caj-caj/id6447676025)

This app is a professional reader for CAJ documents, supporting academic papers, journals, and magazines. It also offers conversion tools to transform CAJ files into Word or PDF, and handles various PDF format conversions with other office documents.

**Highlights:** CAJ document viewing, CAJ to Word conversion, CAJ to PDF conversion, PDF to Office file conversion, Supports academic papers and journals

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 年会员 | $12.99 | per year |
| 永久会员 | $14.99 | one-time |


### 虚拟教研室新版

[App page](https://appshunter.io/ios/app/id6578445930)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CAJ阅读器 free?

CAJ阅读器 is free to download, with in-app purchases available.

### Is 虚拟教研室新版 free?

虚拟教研室新版 is free to download, with no in-app purchases.

### Do CAJ阅读器 or 虚拟教研室新版 have ads?

Neither CAJ阅读器 nor 虚拟教研室新版 shows ads.

### Which is updated more often, CAJ阅读器 or 虚拟教研室新版?

CAJ阅读器 ships an update every 11 days, and 虚拟教研室新版 weekly. Most recently, CAJ阅读器 was updated on November 3, 2026 and 虚拟教研室新版 on October 30, 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.*