# 掌证通 vs 陕西公共资源CA互认平台

The clearest difference is update cadence: 陕西公共资源CA互认平台 at every 3 days against 掌证通's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

掌证通 ships an update every 19 months, 陕西公共资源CA互认平台 every 3 days. The most recent releases landed on September 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 掌证通 | 陕西公共资源CA互认平台 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 days** |
| Size | 28 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) | [陕西省公共资源交易服务有限公司](https://appshunter.io/developer/1479398661) |

## What reviewers say

### 掌证通

[App page](https://appshunter.io/ios/app/id6450326978)

**Features:** Vision Pro support

**In-app purchases:** none


### 陕西公共资源CA互认平台

[App page](https://appshunter.io/ios/app/ca/id6786213951)

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

**In-app purchases:** none


## Frequently asked questions

### Is 掌证通 free?

掌证通 is free to download, with no in-app purchases.

### Is 陕西公共资源CA互认平台 free?

陕西公共资源CA互认平台 is free to download, with no in-app purchases.

### Do 掌证通 or 陕西公共资源CA互认平台 have ads?

Neither 掌证通 nor 陕西公共资源CA互认平台 shows ads.

### Which is updated more often, 掌证通 or 陕西公共资源CA互认平台?

掌证通 ships an update every 19 months, and 陕西公共资源CA互认平台 every 3 days. Most recently, 掌证通 was updated on September 8, 2026 and 陕西公共资源CA互认平台 on October 11, 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.*