# Spectrum AUv3 FFT Visualizer vs Tone Gen Studio

The clearest difference is update cadence: Tone Gen Studio at every 6 weeks against Spectrum AUv3 FFT Visualizer's every 12 months. Spectrum AUv3 FFT Visualizer's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Spectrum AUv3 FFT Visualizer costs $0.99 and Tone Gen Studio $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spectrum AUv3 FFT Visualizer ships an update every 12 months, Tone Gen Studio every 6 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spectrum AUv3 FFT Visualizer | Tone Gen Studio |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tone-gen-studio/id6758694837/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 10 MB | 5 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [Scott Manley](https://appshunter.io/developer/1864388985) |

## What reviewers say

### Spectrum AUv3 FFT Visualizer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Tone Gen Studio

[App page](https://appshunter.io/ios/app/tone-gen-studio/id6758694837)

Generate precise audio frequencies, conduct sweep tests, and analyze sound with a built-in microphone tuner and RTA analyzer. This toolkit is designed for musicians and audio engineers needing accurate tone and measurement tools.

**Highlights:** Pure tone generator with custom frequency, Preset tone pads, Sweep generator, Noise profiles (white, pink, brown), Binaural beats, Mic tuner with real-time display, RTA analyzer

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum AUv3 FFT Visualizer free?

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

### Is Tone Gen Studio free?

Tone Gen Studio costs $0.99, with no in-app purchases.

### Do Spectrum AUv3 FFT Visualizer or Tone Gen Studio have ads?

Neither Spectrum AUv3 FFT Visualizer nor Tone Gen Studio shows ads.

### Which is updated more often, Spectrum AUv3 FFT Visualizer or Tone Gen Studio?

Spectrum AUv3 FFT Visualizer ships an update every 12 months, and Tone Gen Studio every 6 weeks. Most recently, Spectrum AUv3 FFT Visualizer was updated on October 27, 2026 and Tone Gen Studio on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*