# RTA vs RTA Audio

The clearest difference is price: RTA Audio at Free against RTA's $4.99. RTA's advantage is rating (4.0 vs 3.5) and update cadence (every 3 months vs every 28 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

RTA Audio is free to download; RTA costs $4.99 up front. RTA sells 2 one-off in-app purchases and RTA Audio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RTA holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 27 and 32 respectively. Written reviews point the same way: 61% of RTA's written reviews are positive against 59% of RTA Audio's.

RTA ships an update every 3 months, RTA Audio every 28 months. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | RTA | RTA Audio |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (27 ratings)](https://appshunter.io/ios/app/rta/id298839433/reviews)** | [3.5 (32 ratings)](https://appshunter.io/ios/app/rta-audio/id525324684/reviews) |
| Number of ratings | 27 | **32** |
| Positive reviews | **61.0% of reviews** | 58.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 28 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#103** | — |
| Size | 30 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [New Ball s.r.o.](https://appshunter.io/developer/1178970340) |

## What reviewers say

### RTA

[App page](https://appshunter.io/ios/app/rta/id298839433)

**Currently charting:** #103 Top Paid · Music (US App Store)

Analyze audio frequencies, test speakers, and tune rooms with this professional-grade acoustical analysis tool. It offers octave and 1/3 octave modes, peak hold, and averaging, with automatic microphone compensation for accurate results.

**Highlights:** Real-time acoustical analysis, Octave and 1/3 Octave modes, Peak Hold and Average modes, Automatic microphone compensation, Save, recall, and export graphs, Interactive touch GUI, Noise curve overlays

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STC -- Transmission Loss | $9.99 | one-time |
| Reference Curve Files | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Good for quick analysis
- 👍 Accurate for price
- 👍 Useful for tuning
- 👍 Professional tool

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Freezes often
- 🐛 Incompatible with iOS updates
- 🐛 Screen display issues
- 🐛 Battery drain

**Reported bugs**

- App crashes after iOS updates (iOS 13, 15, 16, 17, 18)
- App freezes or crashes on startup
- App only displays half the screen
- App does not save analysis readings to photo roll
- App stops working on older iPads after updates

**Requested features**

- Add German language support
- Add NC and NR curves
- Make background mode optional
- Improve compatibility with newer iOS versions
- Add option to overlay readings


### 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 |


## Frequently asked questions

### Is RTA free?

RTA costs $4.99, and also offers in-app purchases.

### Is RTA Audio free?

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

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

RTA is rated higher. RTA averages 4.0 out of 5 from 27 ratings, while RTA Audio averages 3.5 from 32 ratings.

### Do RTA or RTA Audio have ads?

Neither RTA nor RTA Audio shows ads.

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

RTA ships an update every 3 months, and RTA Audio every 28 months. Most recently, RTA was updated on October 27, 2026 and RTA Audio on October 23, 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.*