# dB Noise Meter vs Shield UST App

The clearest difference is in-app purchases: Shield UST App at none against dB Noise Meter's 5. Shield UST App also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. dB Noise Meter sells 5 in-app purchases, starting at $6.99 per 7 days. Shield UST App asks for nothing beyond the download.

## The numbers

| Metric | dB Noise Meter | Shield UST App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (125 ratings)](https://appshunter.io/ios/app/db-noise-meter/id1590850487/reviews)** | — |
| Number of ratings | **125** | — |
| Positive reviews | 15.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 7 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Petr Polasek](https://appshunter.io/developer/1613323784) | [ROBERT NEAL FRANCIS](https://appshunter.io/developer/1896687519) |

## What reviewers say

### dB Noise Meter

[App page](https://appshunter.io/ios/app/db-noise-meter/id1590850487)

Measure ambient noise levels in decibels (dB) using your phone's microphone. Track real-time noise, identify loud appliances, and monitor your exposure to potentially harmful sound levels.

**Highlights:** Real-time decibel measurement, Noise level tracking, Appliance noise testing, Save noise measurements, Display min/max/avg dB

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 week | $6.99 | per 7 days |
| Premium 1 Month | $9.99 | per month |
| Premium 3 Months | $17.99 | per 3 months |
| Premium 6 Months | $19.99 | per 6 months |
| Premium 1 Year | $29.99 | per year |


### Shield UST App

[App page](https://appshunter.io/ios/app/shield-ust-app/id6769780364)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Noise Meter free?

dB Noise Meter is free to download, with in-app purchases available.

### Is Shield UST App free?

Shield UST App is free to download, with no in-app purchases.

### Do dB Noise Meter or Shield UST App have ads?

dB Noise Meter shows ads; Shield UST App does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
