# Spectrum AUv3 FFT Visualizer — Real-time FFT Analyzer

> Real-time FFT Analyzer (iPhone/iPad app by DiscoDSP LLC.)

- Source: https://appshunter.io/ios/app/spectrum-auv3-fft-visualizer/id6737164438 (this page in markdown: same URL + `.md`)
- Developer: [DiscoDSP LLC](https://appshunter.io/developer/1465262828)
- Category: Music
- Price: $0.99 (on sale, was $4.99)
- Age rating: 4+
- Requires: iOS 12.0 · 9 MB
- Released: 2024-10-22
- Data updated: 2026-09-06
- User reviews in markdown: https://appshunter.io/ios/app/spectrum-auv3-fft-visualizer/id6737164438/reviews.md

## What is Spectrum AUv3 FFT Visualizer?

Turn sound into stunning visuals with Spectrum, an AUv3-compatible real-time spectrum analyzer for audio signals. Effortlessly monitor 29 specific frequencies from 10 Hz to 20 kHz with precision, powered by Fast Fourier Transform (FFT) data.

Spectrum’s sleek graphics feature vertical markers, filled paths, and a smooth gradient background for an immersive visual experience. Enjoy accurate frequency placement with logarithmic scaling, and interact seamlessly using touch to highlight specific frequencies. Designed for performance, it dynamically adjusts to real-time data, transforms decibels, and ensures smooth, optimized rendering for flawless updates.


## Version history (last 2 releases)

### 1.2 — 2026-02-12

Optimized spectrum rendering performance for 60+ FPS.
Added peak hold indicators with smoother decay.
Improved FFT decay ballistics for faster response.
Fixed audio buffer processing stability.
General bug fixes and performance improvements.
Updated framework.

### 1.0 — 2024-10-22

No release notes.

## Apps similar to Spectrum AUv3 FFT Visualizer

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Spectrum Analyzer: Spectrogram](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895) | 4.2 (195) | Free | Music |
| [Oscilloscope & Spectrogram](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137) | 4.6 (28) | $5.99 | Music |
| [Audio / Spectrum Analyzer](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574) | 4.6 (1,025) | Free | Music |
| [Audio Spectrum Analyzer dB RTA](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790) | 4.5 (3,042) | Free | Music |
| [Audio Spectrum Analyzer Pro](https://appshunter.io/ios/app/audio-spectrum-analyzer-pro/id1152352806) | 4.4 (238) | Free | Music |
| [iAnalyzer](https://appshunter.io/ios/app/ianalyzer/id335449113) | 4.2 (74) | Free | Music |

## More apps by DiscoDSP LLC

- [OB-Xd AUv3 Synth](https://appshunter.io/ios/app/ob-xd-auv3-synth/id1465262829)
- [Scope AUv3 Visualizer](https://appshunter.io/ios/app/scope-auv3-visualizer/id1512571419)
- [OPL AUv3 FM Synth](https://appshunter.io/ios/app/opl-auv3-fm-synth/id1516617949)
- [Schroeder AUv3 Reverb](https://appshunter.io/ios/app/schroeder-auv3-reverb/id1527402838)
- [ThrillMe AUv3 Compressor](https://appshunter.io/ios/app/thrillme-auv3-compressor/id6633713618)
- [OB-Xd 3 AUv3 Synth](https://appshunter.io/ios/app/ob-xd-3-auv3-synth/id6654915211)

All apps by DiscoDSP LLC: https://appshunter.io/developer/1465262828

## Related topics

[audio spectrum video maker](https://appshunter.io/ios/topics/audio-spectrum-video-maker) · [spectrum wavelength](https://appshunter.io/ios/topics/spectrum-wavelength)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*