# MCG OMD vs SiteWise+ CMMS Maintenance

The clearest difference is update cadence: SiteWise+ CMMS Maintenance at every 2 months against MCG OMD's every 18 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.

MCG OMD ships an update every 18 months, SiteWise+ CMMS Maintenance every 2 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MCG OMD | SiteWise+ CMMS Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Size | 26 MB | 32 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Simultaneous Geographical Reality Labs Private Limited](https://appshunter.io/developer/1712641652) | [Renergy](https://appshunter.io/developer/1812928363) |

## What reviewers say

### MCG OMD

[App page](https://appshunter.io/ios/app/mcg-omd/id6477868632)

**Features:** macOS Compatibility

**In-app purchases:** none


### SiteWise+ CMMS Maintenance

[App page](https://appshunter.io/ios/app/sitewise-plus-cmms-maintenance/id6747905305)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MCG OMD free?

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

### Is SiteWise+ CMMS Maintenance free?

SiteWise+ CMMS Maintenance is free to download, with no in-app purchases.

### Do MCG OMD or SiteWise+ CMMS Maintenance have ads?

Neither MCG OMD nor SiteWise+ CMMS Maintenance shows ads.

### Which is updated more often, MCG OMD or SiteWise+ CMMS Maintenance?

MCG OMD ships an update every 18 months, and SiteWise+ CMMS Maintenance every 2 months. Most recently, MCG OMD was updated on November 4, 2026 and SiteWise+ CMMS Maintenance on October 28, 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.*