# RadexReadMap vs Decibel Sound Meter

The clearest difference is in-app purchases: RadexReadMap at none against Decibel Sound Meter's 2. RadexReadMap also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Sound Meter sells 2 in-app purchases, starting at $17.99 per year. RadexReadMap asks for nothing beyond the download.

## The numbers

| Metric | RadexReadMap | Decibel Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 29 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) | [Ungo Inc.](https://appshunter.io/developer/1813952838) |

## What reviewers say

### RadexReadMap

[App page](https://appshunter.io/ios/app/radexreadmap/id6741061963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Sound Meter

[App page](https://appshunter.io/ios/app/decibel-sound-meter-dblyze/id6745800603)

This professional noise analyzer transforms your device into a precise sound level meter. It visualizes sound, tracks noise exposure with compliance features, and offers advanced spectrum analysis. Monitor your environment, protect your hearing, and generate detailed reports.

**Highlights:** Real-time SPL readings, Professional noise dosimeter, Advanced spectrum analyzer (RTA), Dynamic Island & Live Activities integration, Home screen widgets, Data logging and export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Ads | $17.99 | per year |
| dBlyze Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is RadexReadMap free?

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

### Is Decibel Sound Meter free?

Decibel Sound Meter is free to download, with in-app purchases available.

### Do RadexReadMap or Decibel Sound Meter have ads?

Decibel Sound Meter shows ads; RadexReadMap 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.*