# 公采签 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 公采签's every 2 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.

公采签 ships an update every 2 months, 陕西公共资源CA互认平台 every 3 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 公采签 | 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 2 months | **Every 3 days** |
| Size | 67 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [博思数采科技发展有限公司](https://appshunter.io/developer/1572784944) | [陕西省公共资源交易服务有限公司](https://appshunter.io/developer/1479398661) |

## What reviewers say

### 公采签

[App page](https://appshunter.io/ios/app/id1634177211)

**Features:** macOS Compatibility, 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 公采签 free?

公采签 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 公采签 or 陕西公共资源CA互认平台 have ads?

Neither 公采签 nor 陕西公共资源CA互认平台 shows ads.

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

公采签 ships an update every 2 months, and 陕西公共资源CA互认平台 every 3 days. Most recently, 公采签 was updated on October 16, 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.*