# FNam FFT Spectrogram Analyzer vs Spectrum Analyzer

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

Both are free to download. Spectrum Analyzer 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, Spectrum Analyzer daily. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FNam FFT Spectrogram Analyzer | Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 4 MB | 1 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [YEON SEOB KIM](https://appshunter.io/developer/1878586254) | [Josef Dave Llorente](https://appshunter.io/developer/6803405669) |

## 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


### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-audio-fft/id6803405667)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectrum Analyzer - Audio FFT | $1.99 | 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 Spectrum Analyzer free?

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

### Do FNam FFT Spectrogram Analyzer or Spectrum Analyzer have ads?

Neither FNam FFT Spectrogram Analyzer nor Spectrum Analyzer shows ads.

### Which is updated more often, FNam FFT Spectrogram Analyzer or Spectrum Analyzer?

FNam FFT Spectrogram Analyzer ships an update fortnightly, and Spectrum Analyzer daily. Most recently, FNam FFT Spectrogram Analyzer was updated on October 11, 2026 and Spectrum Analyzer on October 15, 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.*