# MuVis vs Retro Spectrum

The clearest difference is in-app purchases: MuVis at none against Retro Spectrum's 3. MuVis also leads on rating (5.0 vs 4.8) and device support (3 vs 1). Retro Spectrum's advantage is update cadence (every 3 weeks vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Retro Spectrum sells 3 one-off in-app purchases. MuVis asks for nothing beyond the download.

MuVis holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MuVis ships an update every 3 months, Retro Spectrum every 3 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | MuVis | Retro Spectrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/muvis-music-visualizer/id1582324352/reviews)** | [4.8 (8 ratings)](https://appshunter.io/ios/app/retro-spectrum/id6780568680/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keith Bromley](https://appshunter.io/developer/1582324354) | [TAKUMA FUJITSUKA](https://appshunter.io/developer/6780568682) |

## What reviewers say

### MuVis

[App page](https://appshunter.io/ios/app/muvis-music-visualizer/id1582324352)

This app creates dynamic, real-time visual representations of music being played from files or a device's microphone. Users can cycle through numerous visualizations and options, control playback, and switch between audio sources.

**Highlights:** Real-time audio visualization, Music file playback, Microphone input, 34+ visualizations, 8 visualization options, Customizable toolbars, iCloudDrive music selection

**In-app purchases:** none


### Retro Spectrum

[App page](https://appshunter.io/ios/app/retro-spectrum/id6780568680)

Transform your phone into a retro audio visualizer for your car or desk. Experience real-time spectrum analysis and VU meters inspired by classic 80s-90s car stereos. Enjoy dynamic visualizers that react to your music, with options for song recognition and sharing.

**Highlights:** Real-time spectrum analyzer, VU meter skins, Motion skins reacting to music genre, Retro display styles (VFD, Plasma, JDM), Now Playing song identification, Shareable visualizer cards, Desk mode with clock and date

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skin Pack #1 | $1.99 | one-time |
| Skin Pack #2 | $1.99 | one-time |
| Motion Pack | $2.99 | one-time |


## Frequently asked questions

### Is MuVis free?

MuVis is free to download, with no in-app purchases.

### Is Retro Spectrum free?

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

### Which has better reviews, MuVis or Retro Spectrum?

MuVis is rated higher. MuVis averages 5.0 out of 5 from 8 ratings, while Retro Spectrum averages 4.8 from 8 ratings.

### Do MuVis or Retro Spectrum have ads?

Neither MuVis nor Retro Spectrum shows ads.

### Which is updated more often, MuVis or Retro Spectrum?

MuVis ships an update every 3 months, and Retro Spectrum every 3 weeks. Most recently, MuVis was updated on November 3, 2026 and Retro Spectrum on November 8, 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.*