# dB Meter vs E/ Mega CTRL

The clearest difference is ads: E/ Mega CTRL at none against dB Meter's shown. dB Meter's advantage is iOS requirement (12.0 vs 16.6). On price, 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.

## The numbers

| Metric | dB Meter | E/ Mega CTRL |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 17 MB | 25 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [玉 曹](https://appshunter.io/developer/1623313323) | [Exide Technologies](https://appshunter.io/developer/1607277928) |

## What reviewers say

### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-decibel-sound-level/id1629575835)

Measure ambient noise levels with this tool that quantifies decibels in real-time. It also records audio with decibel values and features a camera that adds decibel readings, location, and time as watermarks to photos for evidence.

**Highlights:** Real-time decibel measurement, Audio recording with decibel values, Decibel watermark camera, Noise level analysis, Evidence capture

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

**In-app purchases:** none


### E/ Mega CTRL

[App page](https://appshunter.io/ios/app/e-mega-ctrl/id6758304458)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Meter free?

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

### Is E/ Mega CTRL free?

E/ Mega CTRL is free to download, with no in-app purchases.

### Do dB Meter or E/ Mega CTRL have ads?

dB Meter shows ads; E/ Mega CTRL does not.

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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.*