# SpectralScan Audio Analyzer dB vs DSD Mastering Viewer

The clearest difference is iOS requirement: SpectralScan Audio Analyzer dB at 15.0 against DSD Mastering Viewer's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase and DSD Mastering Viewer sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SpectralScan Audio Analyzer dB | DSD Mastering Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** | — |
| Number of ratings | **18** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [Otsukare AB](https://appshunter.io/developer/1892516192) | [Siarhei Hladkou](https://appshunter.io/developer/6782669152) |

## What reviewers say

### 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 | $9.99 | one-time |


### DSD Mastering Viewer

[App page](https://appshunter.io/ios/app/dsd-mastering-viewer/id6806110367)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Converter | $99.99 | one-time |
| DSD Viewer | $99.99 | one-time |
| DSD Viewer+Converter | $199.99 | one-time |


## Frequently asked questions

### Is SpectralScan Audio Analyzer dB free?

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

### Is DSD Mastering Viewer free?

DSD Mastering Viewer is free to download, with in-app purchases available.

### Do SpectralScan Audio Analyzer dB or DSD Mastering Viewer have ads?

Neither SpectralScan Audio Analyzer dB nor DSD Mastering Viewer shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*