# Decibel Meter X vs SpectralScan Audio Analyzer dB

The clearest difference is in-app purchases: Decibel Meter X at none against SpectralScan Audio Analyzer dB's 1. SpectralScan Audio Analyzer dB's advantage is update cadence (every 9 days vs every 4 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

SpectralScan Audio Analyzer dB holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 57 and 20 respectively.

Decibel Meter X ships an update every 4 weeks, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Decibel Meter X | SpectralScan Audio Analyzer dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (57 ratings)](https://appshunter.io/ios/app/decibel-meter-x/id6478142605/reviews) | **[4.9 (20 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** |
| Number of ratings | **57** | 20 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 16 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## What reviewers say

### Decibel Meter X

[App page](https://appshunter.io/ios/app/decibel-meter-x/id6478142605)

This application precisely measures sound levels and analyzes audio spectrums. It can also generate specific frequency sounds for testing, research, or therapeutic purposes. Its intuitive interface makes sound exploration accessible to all users.

**Highlights:** Precise decibel level measurement, Audio spectrum analysis, Spectrogram display, Generate specific frequency sounds, Intuitive user interface, Detailed usage instructions

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

**In-app purchases:** none


### SpectralScan Audio Analyzer dB

[App page](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331)

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

**Highlights:** Real-time frequency spectrum visualization, Sine sweep measurements for system response, Spectrogram for time-frequency analysis, Comparison and overlay of multiple measurements, Export data as CSV or PNG, Pro features for advanced analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectralScan Pro | $11.99 | one-time |


## Frequently asked questions

### Is Decibel Meter X free?

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

### Is SpectralScan Audio Analyzer dB free?

SpectralScan Audio Analyzer dB is free to download, with in-app purchases available.

### Which has better reviews, Decibel Meter X or SpectralScan Audio Analyzer dB?

SpectralScan Audio Analyzer dB is rated higher. Decibel Meter X averages 4.7 out of 5 from 57 ratings, while SpectralScan Audio Analyzer dB averages 4.9 from 20 ratings.

### Do Decibel Meter X or SpectralScan Audio Analyzer dB have ads?

Neither Decibel Meter X nor SpectralScan Audio Analyzer dB shows ads.

### Which is updated more often, Decibel Meter X or SpectralScan Audio Analyzer dB?

Decibel Meter X ships an update every 4 weeks, and SpectralScan Audio Analyzer dB every 9 days. Most recently, Decibel Meter X was updated on October 30, 2026 and SpectralScan Audio Analyzer dB on October 31, 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.*