# 知网cnki vs CAJ阅读器

The clearest difference is rating: CAJ阅读器 at 4.6 against 知网cnki's 1.3. 知网cnki's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and update cadence 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. 知网cnki asks for nothing beyond the download.

CAJ阅读器 holds the better App Store score, 4.6 against 1.3. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

知网cnki ships an update every 3 weeks, CAJ阅读器 every 11 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 知网cnki | CAJ阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (4 ratings)](https://appshunter.io/ios/app/cnki/id6445806100/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/caj-caj/id6447676025/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 45 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CGIT](https://appshunter.io/developer/1635092243) | [Light Speed Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1670291399) |

## What reviewers say

### 知网cnki

[App page](https://appshunter.io/ios/app/cnki/id6445806100)

Access a vast collection of global academic resources, including international journals, research papers, and literature. Features include document translation, CAJ file viewing, and intelligent search to help you discover and utilize academic content.

**Highlights:** Access international journals and research papers, Document translation (PDF/Word), CAJ file viewer with original layout, Integrates millions of academic resources, Intelligent search and discovery, Supports various resource types (theses, patents, etc.)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 知网cnki free?

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

### Is CAJ阅读器 free?

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

### Which has better reviews, 知网cnki or CAJ阅读器?

CAJ阅读器 is rated higher. 知网cnki averages 1.3 out of 5 from 4 ratings, while CAJ阅读器 averages 4.6 from 10 ratings.

### Do 知网cnki or CAJ阅读器 have ads?

Neither 知网cnki nor CAJ阅读器 shows ads.

### Which is updated more often, 知网cnki or CAJ阅读器?

知网cnki ships an update every 3 weeks, and CAJ阅读器 every 11 days. Most recently, 知网cnki was updated on October 2, 2026 and CAJ阅读器 on October 5, 2026.

---

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