# DriveRack PA2 Control vs Feedback Trainer

The clearest difference is ads: DriveRack PA2 Control at none against Feedback Trainer's shown. DriveRack PA2 Control also leads on iOS requirement (12.0 vs 16.6). Feedback Trainer's advantage is update cadence (every 2 weeks vs every 8 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DriveRack PA2 Control ships an update every 8 months, Feedback Trainer every 2 weeks. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DriveRack PA2 Control | Feedback Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (108 ratings)](https://appshunter.io/ios/app/driverack-pa2-control/id817149833/reviews)** | — |
| Number of ratings | **108** | — |
| Positive reviews | 34.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 67 MB | 4 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Harman Professional, Inc.](https://appshunter.io/developer/410104207) | [Shunsuke Takasu](https://appshunter.io/developer/6788974380) |

## What reviewers say

### 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


### Feedback Trainer

[App page](https://appshunter.io/ios/app/feedback-trainer/id6788974378)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DriveRack PA2 Control free?

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

### Is Feedback Trainer free?

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

### Do DriveRack PA2 Control or Feedback Trainer have ads?

Feedback Trainer shows ads; DriveRack PA2 Control does not.

### Which is updated more often, DriveRack PA2 Control or Feedback Trainer?

DriveRack PA2 Control ships an update every 8 months, and Feedback Trainer every 2 weeks. Most recently, DriveRack PA2 Control was updated on September 20, 2026 and Feedback Trainer on September 10, 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.*