# RTA Audio vs Audio RTA

The clearest difference is price: RTA Audio at Free against Audio RTA's $3.99. Audio RTA's advantage is rating (4.4 vs 3.5) and in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

RTA Audio is free to download; Audio RTA costs $3.99 up front. RTA Audio sells 1 one-off in-app purchase. Audio RTA asks for nothing beyond the download.

Audio RTA holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 32 and 25 respectively. Written reviews point the same way: 59% of RTA Audio's written reviews are positive against 81% of Audio RTA's.

RTA Audio ships an update every 28 months, Audio RTA every 14 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | RTA Audio | Audio RTA |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [3.5 (32 ratings)](https://appshunter.io/ios/app/rta-audio/id525324684/reviews) | **[4.4 (25 ratings)](https://appshunter.io/ios/app/audio-rta/id861969994/reviews)** |
| Number of ratings | **32** | 25 |
| Positive reviews | 58.5% of reviews | **81.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 14 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 2 MB | 3 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [New Ball s.r.o.](https://appshunter.io/developer/1178970340) | [DEXUS Pawel Krzywdzinski](https://appshunter.io/developer/377798036) |

## 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 |


### Audio RTA

[App page](https://appshunter.io/ios/app/audio-rta/id861969994)

This application provides a real-time octave RTA analyzer, visualizing acoustic signals. It's useful for measuring audio equipment frequency response and analyzing musical instrument sounds. Features include various band resolutions, SPL metering, and FFT analysis.

**Highlights:** Octave RTA analyzer with multiple band resolutions, SPL Meter (dBFS) with dBZ weighting, Fast real-time response, Fast Fourier Transform (FFT) analysis, Zoom and pan functionality, Chart sharing and PNG export

**In-app purchases:** none


## Frequently asked questions

### Is RTA Audio free?

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

### Is Audio RTA free?

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

### Which has better reviews, RTA Audio or Audio RTA?

Audio RTA is rated higher. RTA Audio averages 3.5 out of 5 from 32 ratings, while Audio RTA averages 4.4 from 25 ratings.

### Do RTA Audio or Audio RTA have ads?

Neither RTA Audio nor Audio RTA shows ads.

### Which is updated more often, RTA Audio or Audio RTA?

RTA Audio ships an update every 28 months, and Audio RTA every 14 months. Most recently, RTA Audio was updated on November 1, 2026 and Audio RTA on November 1, 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.*