# FNam FFT Spectrogram Analyzer vs Spectrum Analyzer+ FFT

The clearest difference is ads: FNam FFT Spectrogram Analyzer at none against Spectrum Analyzer+ FFT's shown. Spectrum Analyzer+ FFT's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FNam FFT Spectrogram Analyzer ships an update every 2 weeks, Spectrum Analyzer+ FFT weekly. The most recent releases landed on September 9, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | FNam FFT Spectrogram Analyzer | Spectrum Analyzer+ FFT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-fft/id6760830858/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 5 MB | 69 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [YEON SEOB KIM](https://appshunter.io/developer/1878586254) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## 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+ FFT

[App page](https://appshunter.io/ios/app/spectrum-analyzer-plus-fft/id6760830858)

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

**Highlights:** Real-time FFT audio spectrum visualization, Frequency range 20 Hz to 20 kHz, Peak frequency detection, Average dB level per band, Adjustable dB range, Dark theme

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

**In-app purchases:** none


## 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+ FFT free?

Spectrum Analyzer+ FFT is free to download, with no in-app purchases.

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

Spectrum Analyzer+ FFT shows ads; FNam FFT Spectrogram Analyzer does not.

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

FNam FFT Spectrogram Analyzer ships an update every 2 weeks, and Spectrum Analyzer+ FFT weekly. Most recently, FNam FFT Spectrogram Analyzer was updated on September 9, 2026 and Spectrum Analyzer+ FFT on September 3, 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.*