# DR vs Decibel Meter

The clearest difference is iOS requirement: Decibel Meter at 15.0 against DR's 18.2. 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.

## The numbers

| Metric | DR | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-meter-noise-detector/id6811628104/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Ad-supported |
| Size | 69 MB | 50 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DR-Online Sp. z o.o.](https://appshunter.io/developer/1743786912) | [Hangzhou Zhujiecao Technology Co., Ltd.](https://appshunter.io/developer/6804266770) |

## What reviewers say

### DR

[App page](https://appshunter.io/ios/app/dr-devicetools/id6759614741)

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

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-noise-detector/id6811628104)

This utility app measures environmental sound levels in real time, displaying current, minimum, maximum, and average readings. It allows users to record and review measurement sessions with clear visual indicators for noise levels.

**Highlights:** Real-time sound level measurement, View min, max, and average readings, Live chart of sound level changes, Record and save measurement sessions, Review past measurements, Clear visual noise indicators, Straightforward interface

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

**In-app purchases:** none


## Frequently asked questions

### Is DR free?

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

### Is Decibel Meter free?

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

### Do DR or Decibel Meter have ads?

Both DR and Decibel Meter 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.*