# AudioVisualizer vs Spectrum

The clearest difference is ads: AudioVisualizer at none against Spectrum's shown. Spectrum's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.5). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. AudioVisualizer sells 1 one-off in-app purchase and Spectrum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AudioVisualizer ships an update every 8 days, Spectrum weekly. The most recent releases landed on November 5, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | AudioVisualizer | Spectrum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 91 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masamichi Maeda](https://appshunter.io/developer/6776241003) | [SEONYONG LEE](https://appshunter.io/developer/6775892940) |

## What reviewers say

### AudioVisualizer

[App page](https://appshunter.io/ios/app/audiovisualizer-retro-vfd/id6777327301)

Transform your music into captivating light shows with vintage stereo equalizer and car audio system visuals. Supports lossless audio files and microphone input, offering deep customization for a unique listening experience.

**Highlights:** 3 iconic visualizer skins, Native audio engine with 60fps performance, Lossless audio file and folder playback, Deep customization with 81 color combinations, Adjustable segment resolution, Microphone and file playback sensitivity gains

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル機能をアンロック | $1.99 | one-time |


### Spectrum

[App page](https://appshunter.io/ios/app/spectrum-audio-analyzer/id6787894411)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectrum Pro | $17.99 | one-time |


## Frequently asked questions

### Is AudioVisualizer free?

AudioVisualizer is free to download, with in-app purchases available.

### Is Spectrum free?

Spectrum is free to download, with in-app purchases available.

### Do AudioVisualizer or Spectrum have ads?

Spectrum shows ads; AudioVisualizer does not.

### Which is updated more often, AudioVisualizer or Spectrum?

AudioVisualizer ships an update every 8 days, and Spectrum weekly. Most recently, AudioVisualizer was updated on November 5, 2026 and Spectrum on November 11, 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.*