# Decibel Meterーmeasure decibels vs 단위 변환기 Pro

The clearest difference is in-app purchases: 단위 변환기 Pro at none against Decibel Meterーmeasure decibels's 5. Decibel Meterーmeasure decibels's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.2). On price and ads there is nothing between them.

Both are free to download. Decibel Meterーmeasure decibels sells 5 in-app purchases, starting at $1.99 per 7 days. 단위 변환기 Pro asks for nothing beyond the download.

## The numbers

| Metric | Decibel Meterーmeasure decibels | 단위 변환기 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (22 ratings)](https://appshunter.io/ios/app/decibel-metermeasure-decibels/id1583459712/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 34 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aleksei Metelkin](https://appshunter.io/developer/1611949928) | [SeokJun Jeong](https://appshunter.io/developer/1875885909) |

## What reviewers say

### Decibel Meterーmeasure decibels

[App page](https://appshunter.io/ios/app/decibel-metermeasure-decibels/id1583459712)

Measure ambient sound levels using your device's microphone. Displays sound pressure levels in decibels on a graph. Offers various subscription plans for enhanced features.

**Highlights:** Measure sound level in decibels (dB), Uses built-in microphone, Displays samples on a graph, Offers subscription plans, Free trial periods available

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly subscription | $2.99 | per month |
| Noise Meter: Yearly | $9.99 | per year |
| Decibel Meter: Yearly | $12.99 | per year |
| Yearly subscription | $19.99 | per year |


### 단위 변환기 Pro

[App page](https://appshunter.io/ios/app/pro/id6761675571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meterーmeasure decibels free?

Decibel Meterーmeasure decibels is free to download, with in-app purchases available.

### Is 단위 변환기 Pro free?

단위 변환기 Pro is free to download, with no in-app purchases.

### Do Decibel Meterーmeasure decibels or 단위 변환기 Pro have ads?

Both Decibel Meterーmeasure decibels and 단위 변환기 Pro show 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.*