# 意源协同签名 vs 沪联互通

The clearest difference is update cadence: 意源协同签名 at every 2 weeks against 沪联互通's every 4 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.

意源协同签名 ships an update every 2 weeks, 沪联互通 every 4 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 意源协同签名 | 沪联互通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 16 MB | 29 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiangsu Yiyuan Technology Co., Ltd.](https://appshunter.io/developer/1601915211) | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) |

## What reviewers say

### 意源协同签名

[App page](https://appshunter.io/ios/app/id1601915209)

**Features:** macOS Compatibility

**In-app purchases:** none


### 沪联互通

[App page](https://appshunter.io/ios/app/id6447675778)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 意源协同签名 free?

意源协同签名 is free to download, with no in-app purchases.

### Is 沪联互通 free?

沪联互通 is free to download, with no in-app purchases.

### Do 意源协同签名 or 沪联互通 have ads?

Neither 意源协同签名 nor 沪联互通 shows ads.

### Which is updated more often, 意源协同签名 or 沪联互通?

意源协同签名 ships an update every 2 weeks, and 沪联互通 every 4 months. Most recently, 意源协同签名 was updated on September 23, 2026 and 沪联互通 on September 8, 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.*