# dB Master vs Decibel Meter dB

The clearest difference is ads: Decibel Meter dB at none against dB Master's shown. dB Master's advantage is update cadence (every 3 days vs every 5 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. dB Master sells 1 one-off in-app purchase and Decibel Meter dB sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

dB Master ships an update every 3 days, Decibel Meter dB every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | dB Master | Decibel Meter dB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 88 MB | 28 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) | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) |

## 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 |


### Decibel Meter dB

[App page](https://appshunter.io/ios/app/decibel-meter-db-sound-level/id6759060208)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.99 | per 7 days |
| Pro | $29.99 | per year |
| Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is dB Master free?

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

### Is Decibel Meter dB free?

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

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

dB Master shows ads; Decibel Meter dB does not.

### Which is updated more often, dB Master or Decibel Meter dB?

dB Master ships an update every 3 days, and Decibel Meter dB every 5 weeks. Most recently, dB Master was updated on November 3, 2026 and Decibel Meter dB on October 31, 2026.

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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.*