# SpectralScan Audio Analyzer dB vs Phono Calibre

The clearest difference is price: SpectralScan Audio Analyzer dB at Free against Phono Calibre's $2.99. SpectralScan Audio Analyzer dB also leads on iOS requirement (15.0 vs 18.6). Phono Calibre's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

SpectralScan Audio Analyzer dB is free to download; Phono Calibre costs $2.99 up front. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. Phono Calibre asks for nothing beyond the download.

## The numbers

| Metric | SpectralScan Audio Analyzer dB | Phono Calibre |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (20 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 9 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Otsukare AB](https://appshunter.io/developer/1892516192) | [MaaDoTaa](https://appshunter.io/developer/488542017) |

## 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 | $11.99 | one-time |


### Phono Calibre

[App page](https://appshunter.io/ios/app/phono-calibre-set-up-utility/id6783587444)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpectralScan Audio Analyzer dB free?

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

### Is Phono Calibre free?

Phono Calibre costs $2.99, with no in-app purchases.

### Do SpectralScan Audio Analyzer dB or Phono Calibre have ads?

Neither SpectralScan Audio Analyzer dB nor Phono Calibre shows ads.

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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.*