# Decibel Meter vs Sound Meter Master

The clearest difference is iOS requirement: Sound Meter Master at 12.0 against Decibel Meter's 16.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Decibel Meter sells 4 in-app purchases, starting at $1.99 per 7 days and Sound Meter Master sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibel Meter ships an update every 6 weeks, Sound Meter Master every 4 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Decibel Meter | Sound Meter Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (719 ratings)](https://appshunter.io/ios/app/decibel-meter-db/id1521325229/reviews)** | — |
| Number of ratings | **719** | — |
| Positive reviews | 56.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 52 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Devnex](https://appshunter.io/developer/1486636842) | [Jorge Huertas](https://appshunter.io/developer/1810749286) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-db/id1521325229)

Easily measure sound levels with this accurate and intuitive tool. It displays current, maximum, and average decibel values, along with a graphical overview for quick comprehension. This utility is completely free to use.

**Highlights:** Simple and easy to use, Quick and accurate dB measuring, All-in-one meter, Maximum, current, and average values, Gauge meter display, Values displayed in graph

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Weekly Subscription | $3.99 | per 7 days |
| Half-Yearly Subscription | $9.49 | per 6 months |

**What reviewers like**

- 🚀 Fast and reliable
- 👍 Easy to use
- 🔍 Accurate readings
- 📏 Good for monitoring sound levels
- 🔊 Useful for music/audio enthusiasts

**What reviewers complain about**

- 🐛 Crashes/freezes on some devices
- 💰 Misleading about free features
- 📢 Excessive ads/prompts to buy premium
- 🤔 Inconsistent readings compared to other apps

**Reported bugs**

- Unable to close the app or cancel Google requests
- Recordings not saving despite claims of free saving

**Requested features**

- Add ability to save/export recordings
- Provide more customization options (weighting, etc.)
- Improve stability and reduce crashes


### Sound Meter Master

[App page](https://appshunter.io/ios/app/sound-meter-master/id6745103523)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $1.99 | per 7 days |
| Monthly Premium Access | $3.99 | per month |
| Annual Premium Access | $12.99 | per year |
| Remove Ads Test | $0.99 | one-time |
| Remove Ads | $24.99 | one-time |


## Frequently asked questions

### Is Decibel Meter free?

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

### Is Sound Meter Master free?

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

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

Both Decibel Meter and Sound Meter Master show ads.

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

Decibel Meter ships an update every 6 weeks, and Sound Meter Master every 4 weeks. Most recently, Decibel Meter was updated on October 24, 2026 and Sound Meter Master on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*