# dB Logger vs DeciMate SPL

The clearest difference is in-app purchases: DeciMate SPL at none against dB Logger's 2. DeciMate SPL also leads on ads (none vs shown). dB Logger's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. dB Logger sells 2 one-off in-app purchases. DeciMate SPL asks for nothing beyond the download.

## The numbers

| Metric | dB Logger | DeciMate SPL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/db-logger-sound-level-meter/id6778236281/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Daily | — |
| Monetization | Free with in-app purchases | — |
| Size | 142 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BEK Service LTD](https://appshunter.io/developer/1865488235) | [David Torres](https://appshunter.io/developer/1807322882) |

## What reviewers say

### dB Logger

[App page](https://appshunter.io/ios/app/db-logger-sound-level-meter/id6778236281)

Transform your device into a professional sound level meter and analyzer. Capture raw audio, log noise levels over time, and generate detailed reports. Ideal for assessing noise exposure, troubleshooting sound systems, or documenting noise complaints.

**Highlights:** Raw, unprocessed audio capture, Real-time dB-A, dB-C, dB-Z measurements, Frequency analysis (FFT spectrum), Noise logging and reporting (CSV, PDF), External microphone support, NR and NC room ratings, Noise-source identification

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Full Version | $29.00 | one-time |


### DeciMate SPL

[App page](https://appshunter.io/ios/app/decimate-spl/id6779787723)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Logger free?

dB Logger is free to download, with in-app purchases available.

### Is DeciMate SPL free?

DeciMate SPL is free to download, with no in-app purchases.

### Do dB Logger or DeciMate SPL have ads?

dB Logger shows ads; DeciMate SPL does not.

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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.*