# CAJ转换器 vs CAJ阅读器

The clearest difference is update cadence: CAJ阅读器 at every 11 days against CAJ转换器's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CAJ转换器 sells 3 in-app purchases, starting at $3.99 per month and CAJ阅读器 sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

CAJ转换器 ships an update every 2 months, CAJ阅读器 every 11 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CAJ转换器 | CAJ阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/caj-caj/id6447676025/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 15 MB | 45 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Chejiang Internet Technology Co., Ltd.](https://appshunter.io/developer/1680696844) | [Light Speed Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1670291399) |

## What reviewers say

### CAJ转换器

[App page](https://appshunter.io/ios/app/caj-caj/id6447243908)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


### 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 CAJ转换器 free?

CAJ转换器 is free to download, with in-app purchases available.

### Is CAJ阅读器 free?

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

### Do CAJ转换器 or CAJ阅读器 have ads?

Neither CAJ转换器 nor CAJ阅读器 shows ads.

### Which is updated more often, CAJ转换器 or CAJ阅读器?

CAJ转换器 ships an update every 2 months, and CAJ阅读器 every 11 days. Most recently, CAJ转换器 was updated on September 22, 2026 and CAJ阅读器 on September 18, 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.*