# VitOS Manager vs PSI Audio

The clearest difference is iOS requirement: VitOS Manager at 12.0 against PSI Audio's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | VitOS Manager | PSI Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/vitos-manager/id1477587434/reviews)** | — |
| Number of ratings | **1** | — |
| 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 | 8 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [thunderdata](https://appshunter.io/developer/1376404099) | [Relec SA](https://appshunter.io/developer/1607080945) |

## What reviewers say

### VitOS Manager

[App page](https://appshunter.io/ios/app/vitos-manager/id1477587434)

This utility app helps manage a specialized operating system for audio servers. It allows for device discovery, software installation, network configuration, and music import from storage devices.

**Highlights:** Discover Rhein Z1 devices, Install Roon Server, Configure network settings, Import music from USB, Manage VitOS operating system

**In-app purchases:** none


### 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


## Frequently asked questions

### Is VitOS Manager free?

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

### Is PSI Audio free?

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

### Do VitOS Manager or PSI Audio have ads?

Neither VitOS Manager nor PSI Audio shows ads.

### Which is updated more often, VitOS Manager or PSI Audio?

VitOS Manager ships an update every 3 months, and PSI Audio every 3 months. Most recently, VitOS Manager was updated on September 17, 2026 and PSI Audio on September 18, 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.*