# Dirac Live — Digital room correction

> Digital room correction software for high-end audio systems. (iPhone/iPad app by Dirac Research AB.)

- Source: https://appshunter.io/ios/app/dirac-live/id1439901949 (this page in markdown: same URL + `.md`)
- Developer: [Dirac Research AB](https://appshunter.io/developer/547650819)
- Category: Music, Entertainment
- Price: Free
- Rating: 1.83/5 from 24 App Store ratings · 69 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 143 MB
- Languages: English
- Released: 2018-11-26
- Data updated: 2026-07-29
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dirac-live/id1439901949/reviews.md

## What is Dirac Live?

Note: To use this app, you will need a Dirac capable device. This device must additionally support connecting a microphone - you cannot use your phone as a microphone with this app. If your device does not support a microphone, instead use the desktop version.

No matter how much you’ve invested in your sound system, your room will always have an impact on the sound quality – an all-too-often overlooked fact. Dirac Live Room Correction deals with these challenges in a unique way by addressing the issues that no other product on the market can. That’s why Dirac Live has been adopted by the world’s leading manufacturers of high-end audio-video equipment and praised by audiophiles and music creators all over the world.

Room correction solutions have been around for decades. But we at Dirac realize these only act as advanced equalizers, smoothing the frequency curve but totally missing the timing aspect. Room reflections and misaligned speakers will cause sounds to arrive at your ears with different time delays, blurring the sound image.

With Dirac Live® you’ll experience three key benefits:
1. Improved localization of sound events, or staging.
2. Better clarity and intelligibility in both music and speech.
3. A deeper, tighter bass response, free of resonance throughout the entire listening area.

Dirac Live on iOS provides a richer user experience and better interactivity compared to using an on-screen display with remote control.

For existing users of Dirac Live on iOS, you will enjoy the following enhancements:
1. A new and unique algorithm that tailors the target curve to your room and sound system.
2. A tool that lets you design your sound profile by adjusting two bars with your fingertips.
3. A simplified calibration process with fewer steps.

Dirac Live® makes use of QT. QT is licensed under LGPLv3. For more information about Dirac Live please visit https://www.dirac.com/live/

## Key features

- Digital room acoustics correction
- Improves sound localization
- Enhances clarity and intelligibility
- Deeper, tighter bass response
- Tailored target curve algorithm
- Simplified calibration process

## Recent user reviews (10 of 69)

All indexed reviews: https://appshunter.io/ios/app/dirac-live/id1439901949/reviews.md

### 5/5 — Nad 658

*2026-05-23, version 3.14.3*

Wenn etwas funktioniert, dann muss man es auch rezensieren. Und die App hat bei mir sehr gute Ergebnisse geliefert.

### 1/5 — Useless

*2026-04-25, version 3.14.3*

The app won’t let you do anything unless you have a recording device. I already have measurements and want to use the app to make tweaks to my profiles. Can’t open my project files, because it refuses to connect to  my Marantz Cinema 30 due to a lack of a microphone. What a ridiculous limitation.

### 4/5 — Take your ears up a notch

*2026-04-15, version 3.14.3*

Using Dirac with my Onkyo RZ-50 was fairly easy. The Onkyo comes with Dirac. Keeping the iPad software connected wasn’t perfect but the end result was well worth a bit of aggravation. My set up is all custom in walls and ceiling speakers which sounded great,  after using DIRAC the clarity bumped up to that next level.

### 1/5 — Useless with Denon X3800H

*2026-03-15, version 3.13.13*

As far as I can tell, this app does not work with Dirac on the Denon X3800H. Clearer compatibility information would save a lot of wasted time.

### 2/5 — Excellent sound quality – but an inconsistent workflow

*2026-02-15, version 3.13.13*

Let me describe the real-world experience step by step.

Step 1: Measurement

Using the iPhone app for measurement is, in my experience, practically unusable.
Connecting the measurement microphone is cumbersome, detection is unreliable, and the overall process feels unstable. For software in this price range, that is disappointing.

So the decision was to measure using my Mac instead.

That works — but only if the Mac is physically placed next to the amplifier.
In my case, measurement over the network was not reliable. This means: carry the Mac into the living room, set it up beside the amplifier, connect everything, and then run the measurements.

Once the Mac is positioned directly next to the unit, the process itself works well.
The microphone is recognized properly, measurement points are captured correctly, and the target curves can be calculated without issues. The resulting sound quality is excellent.

Up to this point: inconvenient, but technically solid.

⸻

Step 2: Fine-tuning — and this is where the real problem begins

After completing all measurements and calculations, you naturally want to fine-tune the target curve while listening — sitting comfortably on the sofa, making small adjustments.

That is exactly what a mobile app should be for.

However, when opening the app and trying to load the project, the second major issue appears.

The app does not provide access to projects created on the Mac.
The raw measurement data remains stored locally on the Mac.
The amplifier only stores the calculated filter — not the editable measurement data.

In practical terms:
	•	The app cannot edit projects created on the Mac.
	•	Without a connected microphone, the app blocks project access entirely.
	•	The amplifier does not allow retrieval of the original measurement curves.

The consequence:
Every small adjustment requires setting up the Mac next to the amplifier again.

⸻

Summary

Problem 1:
Measurement via the mobile app is not practically usable.

Problem 2:
If you measure properly using a Mac, mobile post-editing is effectively impossible.

You are forced to choose between an unreliable mobile measurement process or repeatedly rebuilding your Mac setup for minor adjustments.

For software in the ~$300 range, this is not a cohesive system.

⸻

Conclusion

Sound quality: Excellent
Measurement engine on Mac: Good
Overall workflow: Not well integrated

Dirac Live delivers outstanding acoustic results — but the overall system architecture feels incomplete and unnecessarily restrictive.

### 5/5 — Not bad at all

*2026-01-14, version 3.13.13*

Tricky to get correct for proper measurements but when it comes to elite systems it always is. Worth it. Gives an amazing baseline for tweaking.

### 1/5 — Can’t find my equipment on iOS

*2025-12-17, version 3.13.13*

It’s all in the title, useless app, don’t bother

### 1/5 — “Low Noise Level.”

*2025-12-12, version 3.13.13*

It won’t go past that! I cannot turn off anything else to lower the noise in my house for this to calibrate. I’ll never ever in my life purchase anything with Dirac Live. I should’ve bought an Anthem receiver!!

### 1/5 — NAD C3050

*2025-10-22, version 3.13.13*

Half baked app. Poor user interface, unresponsive to touch and very limited functionality. Running on latest IOS and latest version.

### 2/5 — No more detection of Umik1 on ipadOS 26

*2025-10-06, version 3.13.13*

Issues with microphone and ART license

## Frequently asked questions about Dirac Live

### What does Dirac Live do?

Dirac Live digitally corrects your room's acoustics to improve sound quality. It addresses issues like room reflections and speaker misalignments that cause sound timing delays, leading to a blurred sound image. The app aims to enhance sound localization, clarity, intelligibility, and bass response.

### What are the key benefits of using Dirac Live?

Users can expect improved localization of sound events, leading to better staging. It also provides better clarity and intelligibility for both music and speech. Additionally, it delivers a deeper, tighter bass response that is free of resonance throughout the entire listening area.

### How does Dirac Live work?

Dirac Live addresses timing aspects of sound that traditional equalizers miss. It uses a unique algorithm to tailor the target curve to your specific room and sound system. The app also features a tool to design your sound profile by adjusting parameters with your fingertips and offers a simplified calibration process.

### What are the requirements to use Dirac Live on iOS?

To use this app, you will need a Dirac-capable device that also supports connecting a microphone. This app cannot use your phone as a microphone. If your device does not support a microphone, you should use the desktop version instead.

### Is Dirac Live free to use?

Based on the provided information, the app is listed as 'free' and does not have in-app purchases or ads. However, it requires a Dirac-capable device and a connected microphone for its room correction functionality.

## Version history (last 5 releases)

### 3.14.3 — 2026-04-15

Updated build system to support ITMS-90725
Fix handling of device disconnect (DS-2109)
Upgraded support libraries

### 3.13.13 — 2025-08-25

Features

    Suspending screen sleep on iOS while the app is in focus, to avoid triggering a warning message. (APP-250)

Bug fixes
    Fixed a problem where an anonymous user was blocked with a confusing message. (APP-564)

    Fixed a situation where a project created and saved using a Limited DLRC license, and later loaded after having upgraded to a Full licence, would not automatically re-calculate the phase correction using the full bandwidth. (APP-35)

    Other minor UI fixes and improvements.

Known issues

    Progress tracker can sometimes jump backwards. (LIVE-4356)

    New filter exports are not displayed correctly in the application on some NAD devices. The filter can still be used and will be displayed correctly after reconnecting to the device (APP-555)

### 3.13.10 — 2025-07-08

Features

General improvements
Bug fixes

Fixed an issue that sometimes prevented the application to discover devices (DS-1814)
Fixed an issue that caused the screen to sleep while the application was still open (APP-250)
Known issues

Progress tracker can sometimes jump backwards. (LIVE-4356)
New filter exports are not displayed correctly in the application on some NAD devices. The filter can still be used and will be displayed correctly after reconnecting to the device (APP-555)

### 3.13.6 — 2025-05-16

Features

None
Bug fixes

Fixed an issue which blocked filter export for larger systems, for example on NAD multichannel devices. (DS-1837)
Fixed a case where text was not showing on a Cancel UI button. (APP-495)
Implemented several app stability and performance updates that will reduce app crashes and improve app responsiveness.
Known issues

Progress tracker can sometimes jump backwards. (LIVE-4356)

### 3.13.3 — 2025-03-18

Fixed the gain level in Measurements that did not reflect that the master gain changed on the connected device. 
Updated handling of SSL Certificates. 
Fixed most common app crash and app non-responsive (ANR) situations.
Other minor bug fixes and under-the-hood stabilizations.

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## Related topics

[dirac live](https://appshunter.io/ios/topics/dirac-live) · [dirac](https://appshunter.io/ios/topics/dirac) · [onkyo receiver](https://appshunter.io/ios/topics/onkyo-receiver) · [onkyo](https://appshunter.io/ios/topics/onkyo)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*