# PSI Audio vs McIntosh Cast Connect

The clearest difference is rating: McIntosh Cast Connect at 4.5 against PSI Audio's 1.0. McIntosh Cast Connect also leads on iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

McIntosh Cast Connect holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PSI Audio | McIntosh Cast Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/psi-audio-avaa-controller/id6651839273/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/mcintosh-cast-connect/id6670228577/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 47 MB | 27 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Relec SA](https://appshunter.io/developer/1607080945) | [McIntosh Laboratory, Inc.](https://appshunter.io/developer/411263898) |

## What reviewers say

### PSI Audio

[App page](https://appshunter.io/ios/app/psi-audio-avaa-controller/id6651839273)

Control PSI Audio AVAA units with this official remote app. Access device information, update firmware, and learn about room acoustics. Optimize your low-frequency sound absorption.

**Highlights:** Remote control for AVAA units, Access device information (serial number, firmware), Firmware updates, Information on acoustics and room modes, Optimized absorption settings

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

**In-app purchases:** none


### McIntosh Cast Connect

[App page](https://appshunter.io/ios/app/mcintosh-cast-connect/id6670228577)

This app enables Google Cast functionality for a specific streaming amplifier. It is only needed if you intend to use Google Cast, not for other built-in streaming options.

**Highlights:** Google Cast functionality, Compatibility with MSA5500 amplifier, Alternative streaming option selector

**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 McIntosh Cast Connect free?

McIntosh Cast Connect is free to download, with no in-app purchases.

### Which has better reviews, PSI Audio or McIntosh Cast Connect?

McIntosh Cast Connect is rated higher. PSI Audio averages 1.0 out of 5 from 1 ratings, while McIntosh Cast Connect averages 4.5 from 2 ratings.

### Do PSI Audio or McIntosh Cast Connect have ads?

Neither PSI Audio nor McIntosh Cast Connect shows ads.

### Which is updated more often, PSI Audio or McIntosh Cast Connect?

PSI Audio ships an update every 3 months, and McIntosh Cast Connect every 3 months. Most recently, PSI Audio was updated on October 23, 2026 and McIntosh Cast Connect on October 21, 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.*