# Sound Meter dB vs Decibel Meter

The clearest difference is in-app purchases: Decibel Meter at none against Sound Meter dB's 1. Decibel Meter also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sound Meter dB sells 1 one-off in-app purchase. Decibel Meter asks for nothing beyond the download.

## The numbers

| Metric | Sound Meter dB | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sound-meter-db/id6759272884/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 3 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nelson Lai](https://appshunter.io/developer/1477911199) | [MIKE SPENGLER](https://appshunter.io/developer/1896765377) |

## What reviewers say

### Sound Meter dB

[App page](https://appshunter.io/ios/app/sound-meter-db/id6759272884)

Transform your phone into a decibel meter and noise detector. It provides live dB readings, tracks noise history, offers safe exposure guidance, and includes a hearing test and frequency analyzer. Features like night mode and daily noise dose tracking help you understand your sound environment.

**Highlights:** Live decibel (dB) readings, Noise history graph, Safe exposure guidance, Night mode noise logging, Hearing test, Frequency analyzer (PRO), PDF reports and noise diary (PRO)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Meter dB Pro | $4.99 | one-time |


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-db-comparison/id6771374032)

**In-app purchases:** none


## Frequently asked questions

### Is Sound Meter dB free?

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

### Is Decibel Meter free?

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

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

Sound Meter dB shows ads; Decibel Meter 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.*