# Uber Synth vs Spectrum AUv3 FFT Visualizer

The clearest difference is update cadence: Uber Synth at every 3 months against Spectrum AUv3 FFT Visualizer's every 12 months. Spectrum AUv3 FFT Visualizer's advantage is price ($0.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Uber Synth costs $3.99 and Spectrum AUv3 FFT Visualizer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Uber Synth ships an update every 3 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Uber Synth | Spectrum AUv3 FFT Visualizer |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/uber-synth/id601766687/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Paid | — |
| Size | 7 MB | 10 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Carlotto](https://appshunter.io/developer/293347135) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### Uber Synth

[App page](https://appshunter.io/ios/app/uber-synth/id601766687)

This app offers a polyphonic multi-timbral FM synthesizer for iOS devices. It features a triple-oscillator sound engine with five distinct multi-timbral options for creating evolving and complex soundscapes. Supports Audiobus for integration with other music apps.

**Highlights:** Polyphonic multi-timbral FM synthesizer, Triple-oscillator cross-modulated FM engine, Five multi-timbral options, Sound map and sound palettes, Evolving sound generation, Audiobus support

**Features:** macOS Compatibility, 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 Uber Synth free?

Uber Synth costs $3.99, with no in-app purchases.

### Is Spectrum AUv3 FFT Visualizer free?

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

### Do Uber Synth or Spectrum AUv3 FFT Visualizer have ads?

Neither Uber Synth nor Spectrum AUv3 FFT Visualizer shows ads.

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

Uber Synth ships an update every 3 months, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, Uber Synth was updated on November 1, 2026 and Spectrum AUv3 FFT Visualizer on October 27, 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.*