# VMMS vs X

The clearest difference is review sentiment: VMMS at 100% against X's 0%. X's advantage is update cadence (every 2 months vs every 19 months) and iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VMMS ships an update every 19 months, X every 2 months. The most recent releases landed on June 1, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | VMMS | X |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 35 MB | 68 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SRT](https://appshunter.io/developer/1073831034) | [桂明 苏](https://appshunter.io/developer/1069790831) |

## What reviewers say

### VMMS

[App page](https://appshunter.io/ios/app/vmms/id1076474879)

This application allows users to remotely monitor vehicle activity through their mobile device. It provides real-time display of device status, maps, video feeds, and alarms, with options for video playback and image queries.

**Highlights:** Device display, Map display, Video display, Alarm display, Video playback, Image query

**Features:** macOS Compatibility

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-vision/id1081690193)

This app connects to your driving recorder or motion DV via WiFi for real-time preview, playback, and downloading of pictures and videos. It also features a community for sharing and interacting with content.

**Highlights:** WiFi connection to driving recorder/motion DV, Real-time preview and playback, Download pictures and videos, Video and image sharing community, Interactive user engagement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VMMS free?

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

### Is X free?

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

### Do VMMS or X have ads?

Neither VMMS nor X shows ads.

### Which is updated more often, VMMS or X?

VMMS ships an update every 19 months, and X every 2 months. Most recently, VMMS was updated on June 1, 2026 and X on June 3, 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.*