# SpectralScan Audio Analyzer dB vs CRBC eProc Mobile

The clearest difference is in-app purchases: CRBC eProc Mobile at none against SpectralScan Audio Analyzer dB's 1. SpectralScan Audio Analyzer dB's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. CRBC eProc Mobile asks for nothing beyond the download.

SpectralScan Audio Analyzer dB ships an update every 9 days, CRBC eProc Mobile every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SpectralScan Audio Analyzer dB | CRBC eProc Mobile |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 35 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Otsukare AB](https://appshunter.io/developer/1892516192) | [EPC Solutions(Beijing) Limited](https://appshunter.io/developer/1445983920) |

## 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 |


### CRBC eProc Mobile

[App page](https://appshunter.io/ios/app/crbc-eproc-mobile/id6784595257)

**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 CRBC eProc Mobile free?

CRBC eProc Mobile is free to download, with no in-app purchases.

### Do SpectralScan Audio Analyzer dB or CRBC eProc Mobile have ads?

Neither SpectralScan Audio Analyzer dB nor CRBC eProc Mobile shows ads.

### Which is updated more often, SpectralScan Audio Analyzer dB or CRBC eProc Mobile?

SpectralScan Audio Analyzer dB ships an update every 9 days, and CRBC eProc Mobile every 3 weeks. Most recently, SpectralScan Audio Analyzer dB was updated on November 5, 2026 and CRBC eProc Mobile 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.*