# RTA Audio vs M

The clearest difference is in-app purchases: M at none against RTA Audio's 1. M also leads on iOS requirement (7.1 vs 15.6). RTA Audio's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. RTA Audio sells 1 one-off in-app purchase. M asks for nothing beyond the download.

## The numbers

| Metric | RTA Audio | M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (32 ratings)](https://appshunter.io/ios/app/rta-audio/id525324684/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 58.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 15.6 | **7.1** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [New Ball s.r.o.](https://appshunter.io/developer/1178970340) | [科 李](https://appshunter.io/developer/1098552099) |

## What reviewers say

### RTA Audio

[App page](https://appshunter.io/ios/app/rta-audio/id525324684)

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

**Highlights:** Real-time audio analysis (FFT), Recording and offline processing, Spectrogram and waveform visualization, Exportable analysis reports (PDF), Adjustable resolution and frequency scale, Peak and RMS metering

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to full version | $14.99 | one-time |


### M

[App page](https://appshunter.io/ios/app/m-32/id1307839015)

**In-app purchases:** none


## Frequently asked questions

### Is RTA Audio free?

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

### Is M free?

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

### Do RTA Audio or M have ads?

Neither RTA Audio nor M shows ads.

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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.*