# Decibel Tester vs Decibel：Sound Meter

The clearest difference is rating: Decibel Tester at 5.0 against Decibel：Sound Meter's 3.8. Decibel Tester also leads on ads (none vs shown). Decibel：Sound Meter's advantage is ratings volume (6 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Decibel Tester sells 2 in-app purchases, starting at $6.99 per month and Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibel Tester holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Decibel：Sound Meter has 6 ratings behind it against 1, so its average is the more settled of the two.

Decibel Tester ships an update every 2 weeks, Decibel：Sound Meter every 11 days. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Decibel Tester | Decibel：Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/decibelsound-meter/id6473146362/reviews) |
| Number of ratings | 1 | **6** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 14 MB | 33 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [钰乐 晏](https://appshunter.io/developer/1680830617) | [ZHHUALIUON INC](https://appshunter.io/developer/1686696259) |

## What reviewers say

### Decibel Tester

[App page](https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477)

Measure sound levels with professional accuracy using this tool. It supports various frequency weightings and allows you to save and share recordings to protect your hearing from harmful noise.

**Highlights:** Accurate sound level measurements, Supports dBa, dBb, dBc, dBz weighting, Save and share recordings, Spectrum analysis, Audible frequency range 20-16,000 Hz

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Tester Subscribe Month | $6.99 | per month |
| Decibel Tester Subscribe Year | $29.99 | per year |


### 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 Tester free?

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

### Is Decibel：Sound Meter free?

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

### Which has better reviews, Decibel Tester or Decibel：Sound Meter?

Decibel Tester is rated higher. Decibel Tester averages 5.0 out of 5 from 1 ratings, while Decibel：Sound Meter averages 3.8 from 6 ratings.

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

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

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

Decibel Tester ships an update every 2 weeks, and Decibel：Sound Meter every 11 days. Most recently, Decibel Tester was updated on September 29, 2026 and Decibel：Sound Meter on October 24, 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.*