# VMS iPhoenix vs 监控狗

The clearest difference is update cadence: 监控狗 at every 8 days against VMS iPhoenix's every 4 months. 监控狗 also leads on device support (5 vs 2). VMS iPhoenix's advantage is iOS requirement (8.0 vs 15.0). On price, 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.

VMS iPhoenix ships an update every 4 months, 监控狗 every 8 days. The most recent releases landed on September 7, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | VMS iPhoenix | 监控狗 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Size | 21 MB | 43 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [苏州科达](https://appshunter.io/developer/390412720) | [INAGORA CO., LTD.](https://appshunter.io/developer/976492532) |

## What reviewers say

### VMS iPhoenix

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 监控狗

[App page](https://appshunter.io/ios/app/id1024403004)

**Features:** Apple Watch app, 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 监控狗 free?

监控狗 is free to download, with no in-app purchases.

### Do VMS iPhoenix or 监控狗 have ads?

Neither VMS iPhoenix nor 监控狗 shows ads.

### Which is updated more often, VMS iPhoenix or 监控狗?

VMS iPhoenix ships an update every 4 months, and 监控狗 every 8 days. Most recently, VMS iPhoenix was updated on September 7, 2026 and 监控狗 on August 18, 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.*