# DualTimer vs Decibel Meter, Sound Detector

The clearest difference is price: Decibel Meter, Sound Detector at Free against DualTimer's $1.99. DualTimer's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence there is nothing between them.

Decibel Meter, Sound Detector is free to download; DualTimer costs $1.99 up front. Decibel Meter, Sound Detector sells 3 in-app purchases, starting at $3.99 per 7 days. DualTimer asks for nothing beyond the download.

DualTimer ships an update every 19 months, Decibel Meter, Sound Detector every 14 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | DualTimer | Decibel Meter, Sound Detector |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-detector/id6504185770/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 14 months** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 64 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Great Apptitude Pty Ltd](https://appshunter.io/developer/1519213669) | [Andrei Nemtsou](https://appshunter.io/developer/1612416096) |

## What reviewers say

### DualTimer

[App page](https://appshunter.io/ios/app/dualtimer/id1665574049)

**Features:** Vision Pro support

**In-app purchases:** none


### Decibel Meter, Sound Detector

[App page](https://appshunter.io/ios/app/decibel-meter-sound-detector/id6504185770)

Measure ambient sound levels accurately in real-time. Understand noise exposure in various environments like concerts or workplaces. This tool helps you monitor and gain insights into the decibel levels around you.

**Highlights:** Real-time decibel readings, Accurate sound level measurement, Environmental noise monitoring, User-friendly interface, Informative sound level insights

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Welcome One-Time Offer | $4.99 | per month |
| Premium Monthly | $7.99 | per month |


## Frequently asked questions

### Is DualTimer free?

DualTimer costs $1.99, with no in-app purchases.

### Is Decibel Meter, Sound Detector free?

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

### Do DualTimer or Decibel Meter, Sound Detector have ads?

Decibel Meter, Sound Detector shows ads; DualTimer does not.

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

DualTimer ships an update every 19 months, and Decibel Meter, Sound Detector every 14 months. Most recently, DualTimer was updated on November 3, 2026 and Decibel Meter, Sound Detector on November 4, 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.*