NDSD200 vs 上海CA（辽宁版）
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NDSD200
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NDSD200 是 Nakamichi 数字声音处理器的应用程序，带给你完美的声音体验。
上海CA（辽宁版）
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“上海CA（辽宁版）”APP是服务辽宁政府采购网的移动证书产品。用户可通过APP在线申请移动数字证书和电子印章，完成在电子招投标和电子合同签署过程的扫码登录、扫码签章、扫码加密、扫码解密等业务操作。 【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 device support: 上海CA（辽宁版） at 2 against NDSD200's —. NDSD200's advantage is iOS requirement (9.0 vs 13.0). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | NDSD200 | 上海CA（辽宁版） |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 21 months |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Aidan Blessindo Electronic Co.,Ltd. | Shanghai Electronic Certificate Authority Center Co.,LTD |
In-app purchases
NDSD200
No in-app purchases
上海CA（辽宁版）
No in-app purchases
