# MuSA_RT vs Audio Analyzer

MuSA_RT and Audio Analyzer both sit at 5.0 stars, but that hides the real split: 100% of Audio Analyzer's written reviews are positive against 0% of MuSA_RT's. Audio Analyzer also leads on iOS requirement (13.0 vs 15.6). MuSA_RT's advantage is price (Free vs $3.99). On rating, ratings volume, update cadence and ads there is nothing between them.

MuSA_RT is free to download; Audio Analyzer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MuSA_RT against 5.0 for Audio Analyzer. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 0% of MuSA_RT's written reviews are positive against 100% of Audio Analyzer's.

MuSA_RT ships an update every 3 months, Audio Analyzer every 2 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MuSA_RT | Audio Analyzer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/musa-rt/id506866959/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/audio-analyzer/id1482367696/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Francois](https://appshunter.io/developer/506866962) | [Narumi Inada](https://appshunter.io/developer/1347729163) |

## What reviewers say

### MuSA_RT

[App page](https://appshunter.io/ios/app/musa-rt/id506866959)

This app visualizes music tonality in 3D using advanced algorithms. It analyzes audio from your microphone to identify chords and keys, displaying them with a rotating camera or in augmented reality.

**Highlights:** 3D tonality visualization, Audio analysis for pitch and context, Chord and key identification, Augmented Reality mode, Smooth camera rotation for unobstructed views

**In-app purchases:** none


### Audio Analyzer

[App page](https://appshunter.io/ios/app/audio-analyzer/id1482367696)

Visualize audio in real-time with waveform and spectrum analysis. Explore historical peaks and FFT data with intuitive touch controls for zooming and volume adjustment.

**Highlights:** Waveform visualizer (oscilloscope), Spectrum analyzer, Historical peak display, Historical FFT, Full-screen mode, Zoom and swipe gestures, Input volume adjustment

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

**In-app purchases:** none


## Frequently asked questions

### Is MuSA_RT free?

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

### Is Audio Analyzer free?

Audio Analyzer costs $3.99, with no in-app purchases.

### Which has better reviews, MuSA_RT or Audio Analyzer?

MuSA_RT and Audio Analyzer are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do MuSA_RT or Audio Analyzer have ads?

Neither MuSA_RT nor Audio Analyzer shows ads.

### Which is updated more often, MuSA_RT or Audio Analyzer?

MuSA_RT ships an update every 3 months, and Audio Analyzer every 2 months. Most recently, MuSA_RT was updated on October 5, 2026 and Audio Analyzer on October 15, 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.*