PDMreader vs 掌证通
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDMreader
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PDMreader can open PowerDesigner pdm file which encoded in xml,and show table list ,column details ,Indexes ,keys ,Procedures and triggers . you can use search bar to filter the tables which table name or table code or column name or column code match the key word.the app can also generate a simple creating table sql.
掌证通
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“掌证通”APP是上海CA中心自主研发的的移动数字证书产品。用户可通过APP在线申请移动数字证书和电子印章，完成在电子招投标、电子签章等业务中的扫码登录、扫码签章、扫码加解密等业务操作。 【极速获取】 被授权后，通过网络极速获取数字证书，有网即下，不受时间、地点限制。 【安全随身】 移动数字证书存储在手机，随身携带、安全保存、被授权后随时使用。 【扫码便捷】 非接触式扫码操作，无需插KEY，简单便捷。 【去驱动插件】 无需集成USBKEY驱动插件，兼容各浏览器，降低插件限制。
Screenshots
Verdict
The clearest difference is price: 掌证通 at Free against PDMreader's $1.99. 掌证通 also leads on update cadence (every 19 months vs every 39 months). On ads, in-app purchases, 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
掌证通 is free to download; PDMreader costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PDMreader ships an update every 39 months, 掌证通 every 19 months. The most recent releases landed on October 3, 2026 and September 8, 2026 respectively.
| Parameter | PDMreader | 掌证通 |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 39 months | Every 19 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 鹏 王 | Shanghai Electronic Certificate Authority Center Co.,LTD |
In-app purchases
PDMreader
No in-app purchases
掌证通
No in-app purchases
