# dB Master vs Impulse Noise Decibel Meter

The clearest difference is in-app purchases: Impulse Noise Decibel Meter at none against dB Master's 1. Impulse Noise Decibel Meter also leads on ads (none vs shown). dB Master's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price there is nothing between them.

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

## The numbers

| Metric | dB Master | Impulse Noise Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 88 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GKM Interactive UG (haftungsbeschränkt)](https://appshunter.io/developer/1731438269) | [Tigran Mkhitaryan](https://appshunter.io/developer/602761285) |

## What reviewers say

### dB Master

[App page](https://appshunter.io/ios/app/db-master/id6755927767)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


### Impulse Noise Decibel Meter

[App page](https://appshunter.io/ios/app/impulse-noise-decibel-meter/id6780625581)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Master free?

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

### Is Impulse Noise Decibel Meter free?

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

### Do dB Master or Impulse Noise Decibel Meter have ads?

dB Master shows ads; Impulse Noise 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.*