# VMS iPhoenix vs ZN智能监控

The clearest difference is iOS requirement: VMS iPhoenix at 8.0 against ZN智能监控's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | VMS iPhoenix | ZN智能监控 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 21 MB | 31 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [苏州科达](https://appshunter.io/developer/390412720) | [嘉兴唤起科技有限公司](https://appshunter.io/developer/1632206657) |

## What reviewers say

### VMS iPhoenix

[App page](https://appshunter.io/ios/app/vms-iphoenix/id917140313)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZN智能监控

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

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

**In-app purchases:** none


## Frequently asked questions

### Is VMS iPhoenix free?

VMS iPhoenix is free to download, with no in-app purchases.

### Is ZN智能监控 free?

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

### Do VMS iPhoenix or ZN智能监控 have ads?

Neither VMS iPhoenix nor ZN智能监控 shows ads.

### Which is updated more often, VMS iPhoenix or ZN智能监控?

VMS iPhoenix ships an update every 4 months, and ZN智能监控 every 4 months. Most recently, VMS iPhoenix was updated on September 7, 2026 and ZN智能监控 on September 17, 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.*