# PSI Audio vs LinnDAR

The clearest difference is iOS requirement: PSI Audio at 15.0 against LinnDAR's 17. 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.

## The numbers

| Metric | PSI Audio | LinnDAR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 47 MB | 9 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Relec SA](https://appshunter.io/developer/1607080945) | [Linn Products Ltd](https://appshunter.io/developer/449144983) |

## 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


### LinnDAR

[App page](https://appshunter.io/ios/app/linndar/id6767167769)

**In-app purchases:** none


## Frequently asked questions

### Is PSI Audio free?

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

### Is LinnDAR free?

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

### Do PSI Audio or LinnDAR have ads?

Neither PSI Audio nor LinnDAR shows ads.

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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.*