# PSI Audio vs AcousticCheck

The clearest difference is update cadence: PSI Audio at every 2 months against AcousticCheck's every 4 months. PSI Audio also leads on iOS requirement (14.0 vs 16.6). On price, ads, 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.

PSI Audio ships an update every 2 months, AcousticCheck every 4 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PSI Audio | AcousticCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/psi-audio/id1607080943/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 26 MB | 14 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Relec SA](https://appshunter.io/developer/1607080945) | [rosenbinder UG](https://appshunter.io/developer/1775649828) |

## What reviewers say

### PSI Audio

[App page](https://appshunter.io/ios/app/psi-audio/id1607080943)

Remotely control your AVAA active system for low-frequency room mode absorption. Access device information, update firmware, and learn about acoustics and room modes.

**Highlights:** Remote AVAA system control, Device information access (serial, firmware, SSID), Firmware updates, Acoustics and room mode information, Optimized absorption features

**Features:** macOS Compatibility

**In-app purchases:** none


### AcousticCheck

[App page](https://appshunter.io/ios/app/acousticcheck/id6737261712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSI Audio free?

PSI Audio is free to download, with no in-app purchases.

### Is AcousticCheck free?

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

### Do PSI Audio or AcousticCheck have ads?

Neither PSI Audio nor AcousticCheck shows ads.

### Which is updated more often, PSI Audio or AcousticCheck?

PSI Audio ships an update every 2 months, and AcousticCheck every 4 months. Most recently, PSI Audio was updated on October 23, 2026 and AcousticCheck on October 27, 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.*