# dB Meter Pro vs Decibel Meter Pro

The clearest difference is in-app purchases: dB Meter Pro at none against Decibel Meter Pro's 1. dB Meter Pro also leads on ads (none vs shown). Decibel Meter Pro's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (17.6 vs 26.5). On price and device support there is nothing between them.

Both are free to download. Decibel Meter Pro sells 1 one-off in-app purchase. dB Meter Pro asks for nothing beyond the download.

dB Meter Pro ships an update every 3 weeks, Decibel Meter Pro every 5 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | dB Meter Pro | Decibel Meter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/decibel-meter-pro-sound-level/id6779537617/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 15 MB |
| Requires iOS | 26.5 | **17.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### dB Meter Pro

[App page](https://appshunter.io/ios/app/db-meter-pro/id6766442893)

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

**In-app purchases:** none


### Decibel Meter Pro

[App page](https://appshunter.io/ios/app/decibel-meter-pro-sound-level/id6779537617)

Transform your device into a professional sound level meter. Analyze noise in dB, dBA, and dBC, view frequency spectrums, and understand your safe noise exposure limits. Record, prove, and share measurements with detailed reports and location data.

**Highlights:** Real-time spectrum analyzer, Live spectrogram, Noise dose tracking, Loud-sound alerts, Audio recording and playback, CSV data export, Calibration

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter - Premium | $2.99 | one-time |


## Frequently asked questions

### Is dB Meter Pro free?

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

### Is Decibel Meter Pro free?

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

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

Decibel Meter Pro shows ads; dB Meter Pro does not.

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

dB Meter Pro ships an update every 3 weeks, and Decibel Meter Pro every 5 days. Most recently, dB Meter Pro was updated on November 7, 2026 and Decibel Meter Pro on November 3, 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.*