# ZN智能监控 vs 亿联CRM

The clearest difference is update cadence: 亿联CRM at every 2 months against ZN智能监控's every 4 months. 亿联CRM also leads on iOS requirement (9.0 vs 13.0). 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.

ZN智能监控 ships an update every 4 months, 亿联CRM every 2 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ZN智能监控 | 亿联CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 31 MB | 27 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [嘉兴唤起科技有限公司](https://appshunter.io/developer/1632206657) | [河南亿联医药科技有限公司](https://appshunter.io/developer/1537916859) |

## What reviewers say

### ZN智能监控

[App page](https://appshunter.io/ios/app/zn/id1632206205)

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

**In-app purchases:** none


### 亿联CRM

[App page](https://appshunter.io/ios/app/crm/id6447595961)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZN智能监控 free?

ZN智能监控 is free to download, with no in-app purchases.

### Is 亿联CRM free?

亿联CRM is free to download, with no in-app purchases.

### Do ZN智能监控 or 亿联CRM have ads?

Neither ZN智能监控 nor 亿联CRM shows ads.

### Which is updated more often, ZN智能监控 or 亿联CRM?

ZN智能监控 ships an update every 4 months, and 亿联CRM every 2 months. Most recently, ZN智能监控 was updated on October 21, 2026 and 亿联CRM on October 14, 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.*