# VAPolyQuad vs Spectrum AUv3 FFT Visualizer

The clearest difference is price: Spectrum AUv3 FFT Visualizer at $0.99 against VAPolyQuad's $14.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

VAPolyQuad costs $14.99 and Spectrum AUv3 FFT Visualizer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VAPolyQuad ships an update every 22 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on September 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | VAPolyQuad | Spectrum AUv3 FFT Visualizer |
| --- | --- | --- |
| Price | $14.99 | **$0.99** |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/vapolyquad/id6504518079/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 16 MB | 10 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Togawa](https://appshunter.io/developer/1474193056) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### VAPolyQuad

[App page](https://appshunter.io/ios/app/vapolyquad/id6504518079)

Create rich, analog-style music with this powerful polyphonic synthesizer. Explore a vast array of sound-shaping tools, including multiple oscillators, filters, and effects. Program intricate melodies and rhythms with the built-in sequencer, and seamlessly share projects across your Apple devices.

**Highlights:** Virtual analog polyphonic synthesizer, Up to 8 voice polyphony, Four oscillators per voice, Multiple resonant filters, Built-in effects suite, 16-bar sequencer with piano roll, Audio Unit Extension (AUv3) support

**Features:** Vision Pro support

**In-app purchases:** none


### Spectrum AUv3 FFT Visualizer

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VAPolyQuad free?

VAPolyQuad costs $14.99, with no in-app purchases.

### Is Spectrum AUv3 FFT Visualizer free?

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

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

Neither VAPolyQuad nor Spectrum AUv3 FFT Visualizer shows ads.

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

VAPolyQuad ships an update every 22 months, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, VAPolyQuad was updated on September 25, 2026 and Spectrum AUv3 FFT Visualizer on October 18, 2026.

---

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