# dB Meter vs Decibel Meter

The clearest difference is rating: Decibel Meter at 4.7 against dB Meter's 1.0. Decibel Meter also leads on ads (none vs shown) and ratings volume (55 vs 1). dB Meter's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs monthly). On price, review sentiment and iOS requirement there is nothing between them.

Both are free to download. Decibel Meter sells 3 in-app purchases, starting at $2.99 per 7 days. dB Meter asks for nothing beyond the download.

Decibel Meter holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Decibel Meter has 55 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of dB Meter's written reviews are positive against 70% of Decibel Meter's.

dB Meter ships an update fortnightly, Decibel Meter monthly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | dB Meter | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/db-meter-real-time-alerts/id6743526896/reviews) | **[4.7 (55 ratings)](https://appshunter.io/ios/app/decibel-meter-db-noise-level/id6744018521/reviews)** |
| Number of ratings | 1 | **55** |
| Positive reviews | 66.7% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 17 MB | 176 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Ajadiya](https://appshunter.io/developer/1442111420) | [PaoApps](https://appshunter.io/developer/1746019535) |

## What reviewers say

### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-real-time-alerts/id6743526896)

This audio monitoring tool measures environmental sound levels in real-time. It tracks decibel changes and provides instant alerts when noise exceeds safe limits, with graphical analysis and exportable reports.

**Highlights:** Live sound monitoring, High noise alerts, Peak and average tracking, Graphical noise analysis, Custom sensitivity settings, Export tracking reports

**Features:** Vision Pro support

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-db-noise-level/id6744018521)

This tool transforms your iPhone into a real-time sound level meter. It measures and displays environmental noise in decibels, helping you monitor sound at home, work, or outdoors. Protect your hearing by detecting loud noises and staying aware of your sound environment.

**Highlights:** Real-time decibel measurement, Dynamic graph display, Min/Max/Average sound levels, Measuring timer, Pause and Reset buttons, Noise pollution checks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access with Trial | $2.99 | per 7 days |
| Weekly Access | $2.99 | per 7 days |
| Yearly Access | $17.99 | per year |


## Frequently asked questions

### Is dB Meter free?

dB Meter is free to download, with no in-app purchases.

### Is Decibel Meter free?

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

### Which has better reviews, dB Meter or Decibel Meter?

Decibel Meter is rated higher. dB Meter averages 1.0 out of 5 from 1 ratings, while Decibel Meter averages 4.7 from 55 ratings.

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

dB Meter shows ads; Decibel Meter does not.

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

dB Meter ships an update fortnightly, and Decibel Meter monthly. Most recently, dB Meter was updated on October 30, 2026 and Decibel Meter 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.*