# Engineering Inc. vs Matrix NAC

The clearest difference is update cadence: Matrix NAC at monthly against Engineering Inc.'s every 32 months. Engineering Inc.'s advantage is iOS requirement (12.0 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.

Engineering Inc. ships an update every 32 months, Matrix NAC monthly. The most recent releases landed on May 16, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Engineering Inc. | Matrix NAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/matrix-nac/id1506586525/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Monthly** |
| Monetization | — | Free |
| Size | 53 MB | 176 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ACEC](https://appshunter.io/developer/879147908) | [HubEngage, Inc.](https://appshunter.io/developer/382013054) |

## What reviewers say

### Engineering Inc.

[App page](https://appshunter.io/ios/app/engineering-inc/id879147905)

**Features:** macOS Compatibility

**In-app purchases:** none


### Matrix NAC

[App page](https://appshunter.io/ios/app/matrix-nac/id1506586525)

Stay informed about company news, ongoing projects, and crucial safety updates from a leading union contractor. This app helps you understand how the company contributes to keeping North America operational.

**Highlights:** Company news updates, Project information, Safety and wellness news, Industry recognition, Stay up-to-date

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Inc. free?

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

### Is Matrix NAC free?

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

### Do Engineering Inc. or Matrix NAC have ads?

Neither Engineering Inc. nor Matrix NAC shows ads.

### Which is updated more often, Engineering Inc. or Matrix NAC?

Engineering Inc. ships an update every 32 months, and Matrix NAC monthly. Most recently, Engineering Inc. was updated on May 16, 2026 and Matrix NAC on September 25, 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.*