# FNam FFT Spectrogram Analyzer vs SpectralScan Audio Analyzer dB

The clearest difference is in-app purchases: FNam FFT Spectrogram Analyzer at none against SpectralScan Audio Analyzer dB's 1. SpectralScan Audio Analyzer dB's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. FNam FFT Spectrogram Analyzer asks for nothing beyond the download.

FNam FFT Spectrogram Analyzer ships an update fortnightly, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | FNam FFT Spectrogram Analyzer | SpectralScan Audio Analyzer dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (12 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer-db/id6762024331/reviews)** |
| Number of ratings | — | **12** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 16 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [YEON SEOB KIM](https://appshunter.io/developer/1878586254) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## What reviewers say

### FNam FFT Spectrogram Analyzer

[App page](https://appshunter.io/ios/app/fnam-fft-spectrogram-analyzer/id6759438376)

**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 | $9.99 | one-time |


## Frequently asked questions

### Is FNam FFT Spectrogram Analyzer free?

FNam FFT Spectrogram Analyzer 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.

### Do FNam FFT Spectrogram Analyzer or SpectralScan Audio Analyzer dB have ads?

Neither FNam FFT Spectrogram Analyzer nor SpectralScan Audio Analyzer dB shows ads.

### Which is updated more often, FNam FFT Spectrogram Analyzer or SpectralScan Audio Analyzer dB?

FNam FFT Spectrogram Analyzer ships an update fortnightly, and SpectralScan Audio Analyzer dB every 9 days. Most recently, FNam FFT Spectrogram Analyzer was updated on October 11, 2026 and SpectralScan Audio Analyzer dB on October 19, 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.*