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Spatializer

Spatializer

Stereo widening Audio Unit

25 ratings
9 reviews
📊 Productivity
🎵 Music
$9.99

Details

  • Released
  • Updated
  • August 5, 2021
  • October 16, 2025

Features

Developer

quantovox
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Spatializer screenshot #1 for iPhone
Spatializer screenshot #2 for iPhone
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About

Enhance audio with stereo widening that preserves mono compatibility and avoids phase issues. This tool synthesizes side channel information, ideal for mono sources or adding depth to existing stereo tracks without compromising the mid channel.

✓Stereo widening without phase smearing
✓Synthesizes side channel information
✓Preserves mid channel integrity
✓Flexible for mono and stereo sources
✓Transparent or strong effect options
✓Multiband transient shapers
✓Directional RMS distribution visualization
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What's New in Spatializer

1.4.3

October 16, 2025

• Added 6 more spaces including a brand new small room and a well-balanced ultra near-field effect • Preset navigation improvements

User reviews

Most RecentHighest RatedLowest Rated

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I had this for awhile and then one day it just deleted from my inventory out of nowhere. Is it not compatible anymore? I just got your 3 year anniversary pack and none of the plug ins are working either
NIICK JonasNIICK Jonas

Response from developer

Spatializer runs on iOS 12.1 and above. There were no reductions or restrictions on app compatibility (just the opposite in fact for one the apps in the bundle). Based on the limited description, app offloading could be one explanation for what you're experiencing (if the device and user account hasn't changed). Please get in contact with support via the e-mail address listed on the support page. Please note that using the review system to get support is a suboptimal approach, because of the time overhead and lack of direct contact. Already, your message took 3 days to go through, and this reply will take 2-3 more days to appear as well. Plus solving complex issues often requires a conversation and sometimes log files need to be included in the exchange. Please use the e-mail contact instead, and provide a detailed description of the issue, including the OS version and host application used.

Probably great…

It was an accidental purchase. Apple won’t let me refund immediately after. So 5 stars to the business and 1 star to Apple.
JohnnypotatoJohnnypotato

Simple yet powerful

Love it on pretty much everything
RssliveRsslive

Great way to add space and ambiance

I love how controllable the spatializer is to get the result I want. It enables me to create space in the mix without creating phase issues, and has a wonderful sound and ambiance. Highly recommended!
antihclantihcl

Good and useful

This app adds a stereo effect to various sounds. It fits nicely at the end of an effects chain. This app makes things sound more satisfying. You can use it to improve your sound while playing/recording, or after recording to improve the track’s sound. It may also help in the mastering process. I consider it to be a good investment.
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CsjAppleFanCsjAppleFan
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FAQ

What is Spatializer used for?

Spatializer is an audio plugin designed to widen stereo sounds while preventing common issues like phase smearing and comb filtering. It's particularly effective for enhancing mono sources or adding depth to narrow stereo components without negatively impacting the mid channel.

Does Spatializer work on mono audio?

Yes, Spatializer is excellent for stereoizing mono sources by synthesizing side channel information where none existed. This allows you to add width and depth to tracks that were originally recorded in mono.

How does Spatializer handle phase issues?

Spatializer is specifically designed to avoid phase smearing in the mono mix and phasing or comb filter effects caused by asymmetric channel delays. It maintains a linear phase for the mid channel, ensuring mono compatibility.

What is the price of Spatializer?

Spatializer is a paid application, available for a one-time purchase of $9.99. This grants you access to all its features for enhancing your audio.

What devices is Spatializer compatible with?

Spatializer is compatible with iPhone, iPad, and iPod touch devices. It requires an AUv3-compatible host application to function.

How often is Spatializer updated?

The latest version of Spatializer is 1.4.3, last updated on October 16, 2025. This indicates active development and support for the application.

Does Spatializer have ads?

No, Spatializer does not contain advertisements. As a paid application, it offers an ad-free experience for its users.

What are the supported sampling rates for Spatializer?

Spatializer supports multiple sampling rates, including 22.05, 44.1, 48, and 96 kHz. This flexibility allows it to integrate with various audio production workflows.