CAJ Converter vs 民达OA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CAJ Converter
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.
- Convert CAJ to PDF
- Convert CAJ to Word
- Text recognition for Word conversion
- Preview before PDF export
- Supports .caj, .nh, .kdh formats
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A converter that can convert Chinese academic journal full-text database (CAJ, NH, KDH) format to PDF or Word! Supported file formats: .caj, .nh, .kdh Convert CAJ to PDF: Convert to a clear PDF, you can preview the content and export the file after conversion; Convert CAJ to Word: Convert text recognition to Word to download and copy text; If you choose to purchase premium membership, payment will be charged to your iTunes account ,and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase . Prices are in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice. No cancellation of the current subscription is allowed during the active subscription period. Our privacy policy : https://www.zkmeitian.com/page/privacy/cajconverter Our terms of use: https://www.zkmeitian.com/page/agreement/cajconverter
民达OA
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民达OA手机平台是民达集团开发的一款办公应用系统，助力办公更节能、高效的一款APP。
Screenshots
Verdict
The clearest difference is in-app purchases: 民达OA at none against CAJ Converter's 3. 民达OA also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CAJ Converter sells 3 in-app purchases, starting at $2.99 per month. 民达OA asks for nothing beyond the download.
CAJ Converter ships an update every 2 months, 民达OA every 2 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | CAJ Converter | 民达OA |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 47.6% of reviews | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 55 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Meitian Trading | Hunan Minda Pharmaceutical Co., Ltd. |
In-app purchases
CAJ Converter
- VIP月会员$2.991 Month
- VIP季会员$4.993 Months
- VIP年会员$7.991 Year
民达OA
No in-app purchases
