# VAPolyFM vs Spectrum AUv3 FFT Visualizer

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

VAPolyFM 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.

VAPolyFM ships an update every 17 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | VAPolyFM | Spectrum AUv3 FFT Visualizer |
| --- | --- | --- |
| Price | $14.99 | **$0.99** |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/vapolyfm/id6737108540/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 17 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

### VAPolyFM

[App page](https://appshunter.io/ios/app/vapolyfm/id6737108540)

Create music with a versatile hybrid synthesizer offering both FM and virtual analog subtractive synthesis. Explore a wide range of effects, a built-in sequencer, and extensive MIDI support. Save and share projects seamlessly across iPhone, iPad, and Mac.

**Highlights:** FM synthesizer with 6 operators, Virtual analog subtractive synthesizer, Built-in effects (delay, chorus, reverb), Sequencer with piano roll editor, AudioUnit Extension (AUv3) support, Ableton Link and MIDI 2.0 support, iCloud Drive project sharing

**Features:** Vision Pro support

**In-app purchases:** none


### Spectrum AUv3 FFT Visualizer

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

**In-app purchases:** none


## Frequently asked questions

### Is VAPolyFM free?

VAPolyFM 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 VAPolyFM or Spectrum AUv3 FFT Visualizer have ads?

Neither VAPolyFM nor Spectrum AUv3 FFT Visualizer shows ads.

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

VAPolyFM ships an update every 17 months, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, VAPolyFM was updated on September 21, 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.*