# CNMS vs IOV VT

The clearest difference is update cadence: CNMS at monthly against IOV VT's every 3 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.

CNMS ships an update monthly, IOV VT every 3 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CNMS | IOV VT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 40 MB | 170 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [兆涛 汤](https://appshunter.io/developer/1472868205) | [Shanghai WanWay Digital Technology Co.,Ltd](https://appshunter.io/developer/1275343765) |

## What reviewers say

### CNMS

[App page](https://appshunter.io/ios/app/cnms/id1586101410)

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

**In-app purchases:** none


### IOV VT

[App page](https://appshunter.io/ios/app/iov-vt/id6752925632)

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

**In-app purchases:** none


## Frequently asked questions

### Is CNMS free?

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

### Is IOV VT free?

IOV VT is free to download, with no in-app purchases.

### Do CNMS or IOV VT have ads?

Neither CNMS nor IOV VT shows ads.

### Which is updated more often, CNMS or IOV VT?

CNMS ships an update monthly, and IOV VT every 3 months. Most recently, CNMS was updated on October 24, 2026 and IOV VT on October 10, 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.*