# Spectre — Oscilloscope, FFT, Visualizer

> iOS audio analysis utility with FFT and oscilloscope for sound visualization. (iPhone/iPad app by Michael Hand.)

- Source: https://appshunter.io/ios/app/spectre/id913027939 (this page in markdown: same URL + `.md`)
- Developer: [Michael Hand](https://appshunter.io/developer/854186096)
- Category: Music, Utilities
- Price: $0.99
- Rating: 3.00/5 from 2 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 46 MB
- Languages: American English
- Released: 2014-09-06
- Data updated: 2026-08-23
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/spectre/id913027939/reviews.md

## What is Spectre?

Spectre is an iOS audio analysis utility designed to be useful and visually appealing, making use of retina displays.

Feature Highlights:
• FFT(Fast Fourier Transform) Analysis
• Oscilloscope
• Customizable Features: Wave Amplitude, Sample/Time Control, Line Width
• Linear & Logarithmic Wave Forms
• Pause/Play Controls
• Zoom in/out on the Waveform!
• Optimized for iPhone 3,4,5 and iOS 7

Currently this app takes input from standard input, and external mics. Cross-app sound analysis coming soon! Waveform recording also coming soon!

## Key features

- FFT Analysis
- Oscilloscope
- Customizable Waveform
- Linear & Logarithmic Forms
- Pause/Play Controls
- Zoom Functionality

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/spectre/id913027939/reviews.md

### 5/5 — Great app thank you

*2024-01-21*

This is perfect for audio analysis and displaying. This is a must for what I do with audio engineering

### 1/5 — Update please

*2021-10-06*

Needs update for ios15. Meanwhile I’m out a dollar

**Developer response:** App has been updated to work on latest OS.

### 2/5 — Needs updated

*2021-08-14*

Worked great before but Doesn't currently work with the latest iOS. Needs updated

**Developer response:** App has been updated to work on latest OS.

### 1/5 — Ne fonctionne pas sur maj iOS  !

*2021-06-14*

Ne fonctionne pas mise a jour a faire sur iOS 14 !!

### 5/5 — Nice sound app

*2014-09-10*

Nice app, looks great.

## Frequently asked questions about Spectre

### What is Spectre used for?

Spectre is an iOS audio analysis utility that provides real-time Fast Fourier Transform (FFT) analysis and oscilloscope views of sound input. It helps users visualize and analyze audio signals.

### What devices does Spectre support?

Spectre is optimized for iPhone, iPad, and iPod devices running iOS 7 or later. It is designed to take advantage of retina displays for enhanced visual appeal.

### How much does Spectre cost?

Spectre is a paid application, available for $0.99. This one-time purchase grants access to all its audio analysis features.

### Does Spectre have ads?

No, Spectre does not contain advertisements. As a paid application, it offers an ad-free experience for its users.

### What kind of audio input does Spectre accept?

Spectre currently accepts input from standard iOS audio input and external microphones. Future updates are planned to include cross-app sound analysis.

### Can I customize the waveform display in Spectre?

Yes, Spectre offers customizable features for the waveform display, including wave amplitude, sample/time control, and line width. You can also choose between linear and logarithmic forms.

### What is the age rating for Spectre?

Spectre has an age rating of 4+, making it suitable for a wide range of users interested in audio analysis.

### How often is Spectre updated?

Spectre was last updated on July 31, 2022, with version 1.1. While the last update was some time ago, the app remains functional for its intended purpose.

## Version history (last 2 releases)

### 1.1 — 2022-07-31

Updated to work on the latest iOS
Added iPad support

### 1.0 — 2014-09-06

No release notes.

## Apps similar to Spectre

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Spectrum Analyzer: Spectrogram](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895) | 4.2 (195) | Free | Music |
| [Music Visualizer DJ - Vythm VJ](https://appshunter.io/ios/app/music-visualizer-dj-vythm-vj/id1550581532) | 4.6 (708) | Free | Music |
| [Audio / Spectrum Analyzer](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574) | 4.6 (1,000) | 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 (72) | Free | Music |

## More apps by Michael Hand

- [Game Guide for Dark Souls 2](https://appshunter.io/ios/app/game-guide-for-dark-souls-2/id854186093)
- [Game Guide for Bloodborne](https://appshunter.io/ios/app/game-guide-for-bloodborne/id975003559)
- [Label Zap](https://appshunter.io/ios/app/label-zap/id1015190891)
- [Midnight Drift](https://appshunter.io/ios/app/midnight-drift/id1027190478)
- [Game Guide for Dark Souls 3](https://appshunter.io/ios/app/game-guide-for-dark-souls-3/id1044152270)

All apps by Michael Hand: https://appshunter.io/developer/854186096

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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 2026-08-23.*