# VitOS Manager vs PSI Audio

The clearest difference is rating: PSI Audio at 5.0 against VitOS Manager's 1.0. VitOS Manager's advantage is iOS requirement (12.0 vs 14.0). 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.

PSI Audio holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

VitOS Manager ships an update every 3 months, PSI Audio every 2 months. The most recent releases landed on September 17, 2026 and June 4, 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) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/psi-audio/id1607080943/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 8 MB | 26 MB |
| Requires iOS | **12.0** | 14.0 |
| 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/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


## 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.

### Which has better reviews, VitOS Manager or PSI Audio?

PSI Audio is rated higher. VitOS Manager averages 1.0 out of 5 from 1 ratings, while PSI Audio averages 5.0 from 1 ratings.

### 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 2 months. Most recently, VitOS Manager was updated on September 17, 2026 and PSI Audio on June 4, 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.*