# Vertiv SiteWeb vs ZMACS

The clearest difference is update cadence: ZMACS at every 3 weeks against Vertiv SiteWeb's every 6 months. Vertiv SiteWeb's advantage is iOS requirement (11.0 vs 15.0). 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.

Vertiv SiteWeb ships an update every 6 months, ZMACS every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vertiv SiteWeb | ZMACS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 15 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vertiv](https://appshunter.io/developer/1288641397) | [Hizima Technologies Co., Ltd](https://appshunter.io/developer/1680084643) |

## What reviewers say

### Vertiv SiteWeb

[App page](https://appshunter.io/ios/app/vertiv-siteweb/id1342082302)

**In-app purchases:** none


### ZMACS

[App page](https://appshunter.io/ios/app/zmacs/id6447276726)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vertiv SiteWeb free?

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

### Is ZMACS free?

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

### Do Vertiv SiteWeb or ZMACS have ads?

Neither Vertiv SiteWeb nor ZMACS shows ads.

### Which is updated more often, Vertiv SiteWeb or ZMACS?

Vertiv SiteWeb ships an update every 6 months, and ZMACS every 3 weeks. Most recently, Vertiv SiteWeb was updated on November 2, 2026 and ZMACS on October 30, 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.*