# SRT vs VMMS

The clearest difference is update cadence: SRT at every 6 weeks against VMMS's every 19 months. SRT also leads on iOS requirement (10.0 vs 12.0). 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.

SRT ships an update every 6 weeks, VMMS every 19 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SRT | VMMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 19 months |
| Monetization | — | Free |
| Size | 9 MB | 35 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHIGEYUKI TAKAHASHI](https://appshunter.io/developer/437200400) | [SRT](https://appshunter.io/developer/1073831034) |

## What reviewers say

### SRT

[App page](https://appshunter.io/ios/app/srt/id495530119)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SRT free?

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

### Is VMMS free?

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

### Do SRT or VMMS have ads?

Neither SRT nor VMMS shows ads.

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

SRT ships an update every 6 weeks, and VMMS every 19 months. Most recently, SRT was updated on October 9, 2026 and VMMS on October 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.*