# MTCApp vs Enviro Noise Partner

The clearest difference is update cadence: MTCApp at every 11 days against Enviro Noise Partner's every 4 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.

MTCApp ships an update every 11 days, Enviro Noise Partner every 4 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MTCApp | Enviro Noise Partner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Size | 6 MB | 207 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ingeniørfirmaet Poul Tarp A/S](https://appshunter.io/developer/970385837) | [Hottinger Bruel & Kjaer A/S](https://appshunter.io/developer/622515894) |

## What reviewers say

### MTCApp

[App page](https://appshunter.io/ios/app/mtcapp/id1166975125)

**In-app purchases:** none


### Enviro Noise Partner

[App page](https://appshunter.io/ios/app/enviro-noise-partner/id1440270094)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MTCApp free?

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

### Is Enviro Noise Partner free?

Enviro Noise Partner is free to download, with no in-app purchases.

### Do MTCApp or Enviro Noise Partner have ads?

Neither MTCApp nor Enviro Noise Partner shows ads.

### Which is updated more often, MTCApp or Enviro Noise Partner?

MTCApp ships an update every 11 days, and Enviro Noise Partner every 4 months. Most recently, MTCApp was updated on October 12, 2026 and Enviro Noise Partner on October 13, 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.*