# Sensor Technology Engineering vs dB Noise Watch Level Meter

The clearest difference is price: Sensor Technology Engineering at Free against dB Noise Watch Level Meter's $2.99. Sensor Technology Engineering also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.2). On ads and in-app purchases there is nothing between them.

Sensor Technology Engineering is free to download; dB Noise Watch Level Meter costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sensor Technology Engineering | dB Noise Watch Level Meter |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 94 MB | 1 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sensor Technology Engineering](https://appshunter.io/developer/1668239053) | [Maher Zidan](https://appshunter.io/developer/460362969) |

## What reviewers say

### Sensor Technology Engineering

[App page](https://appshunter.io/ios/app/sensor-technology-engineering/id1627959712)

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

**In-app purchases:** none


### dB Noise Watch Level Meter

[App page](https://appshunter.io/ios/app/db-noise-watch-level-meter/id6740096446)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Technology Engineering free?

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

### Is dB Noise Watch Level Meter free?

dB Noise Watch Level Meter costs $2.99, with no in-app purchases.

### Do Sensor Technology Engineering or dB Noise Watch Level Meter have ads?

Neither Sensor Technology Engineering nor dB Noise Watch Level Meter shows ads.

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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.*