# Decibel Meter X vs SpectralScan Audio Analyzer

The clearest difference is in-app purchases: Decibel Meter X at none against SpectralScan Audio Analyzer's 1. Decibel Meter X also leads on ratings volume (49 vs 6). SpectralScan Audio Analyzer's advantage is update cadence (every 8 days vs every 4 weeks) and rating (5.0 vs 4.8). On price, ads, device support and iOS requirement there is nothing between them.

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

SpectralScan Audio Analyzer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Decibel Meter X has 49 ratings behind it against 6, so its average is the more settled of the two.

Decibel Meter X ships an update every 4 weeks, SpectralScan Audio Analyzer every 8 days. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Decibel Meter X | SpectralScan Audio Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (49 ratings)](https://appshunter.io/ios/app/decibel-meter-x/id6478142605/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer/id6762024331/reviews)** |
| Number of ratings | **49** | 6 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 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

[App page](https://appshunter.io/ios/app/spectralscan-audio-analyzer/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 | $9.99 | 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 free?

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

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

SpectralScan Audio Analyzer is rated higher. Decibel Meter X averages 4.8 out of 5 from 49 ratings, while SpectralScan Audio Analyzer averages 5.0 from 6 ratings.

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

Neither Decibel Meter X nor SpectralScan Audio Analyzer shows ads.

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

Decibel Meter X ships an update every 4 weeks, and SpectralScan Audio Analyzer every 8 days. Most recently, Decibel Meter X was updated on September 11, 2026 and SpectralScan Audio Analyzer on September 9, 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.*