# RTA Audio vs DriveRack PA2 Control

The clearest difference is in-app purchases: DriveRack PA2 Control at none against RTA Audio's 1. DriveRack PA2 Control also leads on update cadence (every 8 months vs every 28 months) and ratings volume (108 vs 31). RTA Audio's advantage is rating (3.6 vs 3.2) and review sentiment (60% vs 34%). On price, ads and device support there is nothing between them.

Both are free to download. RTA Audio sells 1 one-off in-app purchase. DriveRack PA2 Control asks for nothing beyond the download.

RTA Audio holds the better App Store score, 3.6 against 3.2. Both are backed by a comparable volume of ratings — 31 and 108 respectively. Written reviews point the same way: 60% of RTA Audio's written reviews are positive against 34% of DriveRack PA2 Control's.

RTA Audio ships an update every 28 months, DriveRack PA2 Control every 8 months. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RTA Audio | DriveRack PA2 Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (31 ratings)](https://appshunter.io/ios/app/rta-audio/id525324684/reviews)** | [3.2 (108 ratings)](https://appshunter.io/ios/app/driverack-pa2-control/id817149833/reviews) |
| Number of ratings | 31 | **108** |
| Positive reviews | **60.0% of reviews** | 34.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 8 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 67 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [New Ball s.r.o.](https://appshunter.io/developer/1178970340) | [Harman Professional, Inc.](https://appshunter.io/developer/410104207) |

## 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 |


### DriveRack PA2 Control

[App page](https://appshunter.io/ios/app/driverack-pa2-control/id817149833)

Control your PA2 hardware wirelessly from any location. This app optimizes and protects your loudspeakers by managing audio processing between your mixer and amplifiers.

**Highlights:** Wireless control via WiFi, System setup from any location, Loudspeaker optimization, Loudspeaker protection, Audio processing management

**In-app purchases:** none


## Frequently asked questions

### Is RTA Audio free?

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

### Is DriveRack PA2 Control free?

DriveRack PA2 Control is free to download, with no in-app purchases.

### Which has better reviews, RTA Audio or DriveRack PA2 Control?

RTA Audio is rated higher. RTA Audio averages 3.6 out of 5 from 31 ratings, while DriveRack PA2 Control averages 3.2 from 108 ratings.

### Do RTA Audio or DriveRack PA2 Control have ads?

Neither RTA Audio nor DriveRack PA2 Control shows ads.

### Which is updated more often, RTA Audio or DriveRack PA2 Control?

RTA Audio ships an update every 28 months, and DriveRack PA2 Control every 8 months. Most recently, RTA Audio was updated on September 8, 2026 and DriveRack PA2 Control on September 20, 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.*