# CAJ Converter vs CAJ转换器

The clearest difference is review sentiment: CAJ Converter at 48% against CAJ转换器's 20%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CAJ Converter | CAJ转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **47.6% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 55 MB | 15 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Meitian Trading](https://appshunter.io/developer/1549616114) | [Beijing Chejiang Internet Technology Co., Ltd.](https://appshunter.io/developer/1680696844) |

## What reviewers say

### CAJ Converter

[App page](https://appshunter.io/ios/app/caj-converter/id1603045684)

Easily convert Chinese academic journal files (CAJ, NH, KDH) into PDF or Word documents. Extract text for editing or create clear PDF versions for reading and sharing.

**Highlights:** Convert CAJ to PDF, Convert CAJ to Word, Text recognition for Word conversion, Preview before PDF export, Supports .caj, .nh, .kdh formats

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP月会员 | $2.99 | per month |
| VIP季会员 | $4.99 | per 3 months |
| VIP年会员 | $7.99 | per year |


### CAJ转换器

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

Convert academic document formats like CAJ, NH, and KDH into clear PDF and Word files. Easily extract text, images, and tables, and convert other document types to PDF.

**Highlights:** Convert CAJ, NH, KDH to PDF and Word, Extract text, images, and tables, Convert PDF to Word, Excel, PPT, TXT, JPG, PNG, Compress and encrypt PDF files, Convert Word, Excel, PPT, TXT, images to PDF

**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 |


## Frequently asked questions

### Is CAJ Converter free?

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

### Is CAJ转换器 free?

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

### Do CAJ Converter or CAJ转换器 have ads?

Neither CAJ Converter nor CAJ转换器 shows ads.

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

CAJ Converter ships an update every 2 months, and CAJ转换器 every 2 months. Most recently, CAJ Converter was updated on October 24, 2026 and CAJ转换器 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.*