# Decibel Meter Detector vs Decibel：Sound Meter

The clearest difference is price: Decibel：Sound Meter at Free against Decibel Meter Detector's $0.99. Decibel：Sound Meter also leads on iOS requirement (13.0 vs 16.6). Decibel Meter Detector's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

Decibel：Sound Meter is free to download; Decibel Meter Detector costs $0.99 up front. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Decibel Meter Detector asks for nothing beyond the download.

Decibel Meter Detector ships an update every 3 weeks, Decibel：Sound Meter every 11 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Decibel Meter Detector | Decibel：Sound Meter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/decibelsound-meter/id6473146362/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 33 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [泽韦 陈](https://appshunter.io/developer/1787282599) | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) |

## What reviewers say

### Decibel Meter Detector

[App page](https://appshunter.io/ios/app/decibel-meter-detector/id1576052678)

Measure ambient noise levels and understand sound trends with real-time readings, charts, and detailed statistics. This tool helps identify loud events, save recordings, and export data for analysis. It offers customizable alerts and privacy options for everyday reference.

**Highlights:** Real-time sound readings, Average, Leq, and Lmax measurements, Live sound-level charts, Automatic peak-event detection, Save recordings or decibel data, Custom alert thresholds, Export CSV, images, and PDF reports

**Features:** Vision Pro support

**In-app purchases:** none


### Decibel：Sound Meter

[App page](https://appshunter.io/ios/app/decibelsound-meter/id6473146362)

This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.

**Highlights:** Real-time decibel measurement, High precision, Location data, Decibel camera, Measurement reports, Data sharing, Audio data export

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $14.99 | per year |


## Frequently asked questions

### Is Decibel Meter Detector free?

Decibel Meter Detector costs $0.99, with no in-app purchases.

### Is Decibel：Sound Meter free?

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

### Do Decibel Meter Detector or Decibel：Sound Meter have ads?

Decibel：Sound Meter shows ads; Decibel Meter Detector does not.

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

Decibel Meter Detector ships an update every 3 weeks, and Decibel：Sound Meter every 11 days. Most recently, Decibel Meter Detector was updated on October 24, 2026 and Decibel：Sound Meter on October 27, 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.*