# RTA vs Audio RTA

The clearest difference is in-app purchases: Audio RTA at none against RTA's 2. Audio RTA also leads on rating (4.4 vs 4.0) and review sentiment (81% vs 61%). RTA's advantage is update cadence (every 3 months vs every 14 months) and chart position (#112 vs unranked). On ratings volume, ads and device support there is nothing between them.

RTA costs $4.99 and Audio RTA $3.99 up front. RTA sells 2 one-off in-app purchases. Audio RTA asks for nothing beyond the download.

Audio RTA holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 27 and 25 respectively. Written reviews point the same way: 61% of RTA's written reviews are positive against 81% of Audio RTA's.

RTA ships an update every 3 months, Audio RTA every 14 months. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | RTA | Audio RTA |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [4.0 (27 ratings)](https://appshunter.io/ios/app/rta/id298839433/reviews) | **[4.4 (25 ratings)](https://appshunter.io/ios/app/audio-rta/id861969994/reviews)** |
| Number of ratings | **27** | 25 |
| Positive reviews | 61.0% of reviews | **81.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#112** | — |
| Size | 30 MB | 3 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [DEXUS Pawel Krzywdzinski](https://appshunter.io/developer/377798036) |

## What reviewers say

### RTA

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

**Currently charting:** #112 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


### 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 free?

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

### Is Audio RTA free?

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

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

Audio RTA is rated higher. RTA averages 4.0 out of 5 from 27 ratings, while Audio RTA averages 4.4 from 25 ratings.

### Do RTA or Audio RTA have ads?

Neither RTA nor Audio RTA shows ads.

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

RTA ships an update every 3 months, and Audio RTA every 14 months. Most recently, RTA was updated on October 27, 2026 and Audio RTA on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*