# iAnalyzer vs Spectrum AUv3 FFT Visualizer

The clearest difference is price: iAnalyzer at Free against Spectrum AUv3 FFT Visualizer's $0.99. iAnalyzer also leads on update cadence (every 5 months vs every 12 months) and iOS requirement (13.0 vs 15.0). Spectrum AUv3 FFT Visualizer's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

iAnalyzer is free to download; Spectrum AUv3 FFT Visualizer costs $0.99 up front. iAnalyzer sells 2 in-app purchases, starting at $4.99 per month. Spectrum AUv3 FFT Visualizer asks for nothing beyond the download.

iAnalyzer ships an update every 5 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | iAnalyzer | Spectrum AUv3 FFT Visualizer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (75 ratings)](https://appshunter.io/ios/app/ianalyzer/id335449113/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [平 陈](https://appshunter.io/developer/315130423) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### iAnalyzer

[App page](https://appshunter.io/ios/app/ianalyzer/id335449113)

This professional audio analysis software uses FFT to examine sound signals on iOS devices. It offers real-time spectrum analysis, precise peak frequency computation, and a unique instrument tuner function. Ideal for musicians and sound engineers seeking detailed audio insights.

**Highlights:** Real-time FFT spectrum analysis, Octave and 1/3 Octave display, High precision peak frequency computation, Instrument tuner function, Adjustable playback speed, VGA output support, Waveform display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iAnalyzer Pro (1 Month) | $4.99 | per month |
| iAnalyzer Pro (1 Year) | $29.99 | per year |


### Spectrum AUv3 FFT Visualizer

[App page](https://appshunter.io/ios/app/spectrum-auv3-fft-visualizer/id6737164438)

**In-app purchases:** none


## Frequently asked questions

### Is iAnalyzer free?

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

### Is Spectrum AUv3 FFT Visualizer free?

Spectrum AUv3 FFT Visualizer costs $0.99, with no in-app purchases.

### Do iAnalyzer or Spectrum AUv3 FFT Visualizer have ads?

Neither iAnalyzer nor Spectrum AUv3 FFT Visualizer shows ads.

### Which is updated more often, iAnalyzer or Spectrum AUv3 FFT Visualizer?

iAnalyzer ships an update every 5 months, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, iAnalyzer was updated on September 24, 2026 and Spectrum AUv3 FFT Visualizer on September 20, 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.*