# JAX Stereo Tool (AU) vs Spatializer

The clearest difference is rating: Spatializer at 4.8 against JAX Stereo Tool (AU)'s 4.4. Spatializer also leads on review sentiment (91% vs 80%). JAX Stereo Tool (AU)'s advantage is update cadence (every 11 days vs every 2 months) and price ($5.99 vs $9.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

JAX Stereo Tool (AU) costs $5.99 and Spatializer $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spatializer holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 27 and 27 respectively. Written reviews point the same way: 80% of JAX Stereo Tool (AU)'s written reviews are positive against 91% of Spatializer's.

JAX Stereo Tool (AU) ships an update every 11 days, Spatializer every 2 months. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | JAX Stereo Tool (AU) | Spatializer |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | [4.4 (27 ratings)](https://appshunter.io/ios/app/jax-stereo-tool-au/id1473390302/reviews) | **[4.8 (27 ratings)](https://appshunter.io/ios/app/spatializer/id1574889552/reviews)** |
| Number of ratings | 27 | 27 |
| Positive reviews | 80.0% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 13 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [quantovox](https://appshunter.io/developer/484686124) |

## What reviewers say

### JAX Stereo Tool (AU)

[App page](https://appshunter.io/ios/app/jax-stereo-tool-au/id1473390302)

This audio processing tool allows users to visually manipulate the stereo image of digital audio. It functions as a mastering effect, enabling real-time adjustment of stereo width and the recovery of mono compatibility. The app includes a correlograph for visual feedback and optimization.

**Highlights:** Visual stereo image manipulation, Real-time stereo width adjustment, Mono compatibility recovery, Integrated correlograph for visual feedback, Audio Unit (AUv3) plugin format, System-wide availability

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spatializer

[App page](https://appshunter.io/ios/app/spatializer/id1574889552)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAX Stereo Tool (AU) free?

JAX Stereo Tool (AU) costs $5.99, with no in-app purchases.

### Is Spatializer free?

Spatializer costs $9.99, with no in-app purchases.

### Which has better reviews, JAX Stereo Tool (AU) or Spatializer?

Spatializer is rated higher. JAX Stereo Tool (AU) averages 4.4 out of 5 from 27 ratings, while Spatializer averages 4.8 from 27 ratings.

### Do JAX Stereo Tool (AU) or Spatializer have ads?

Neither JAX Stereo Tool (AU) nor Spatializer shows ads.

### Which is updated more often, JAX Stereo Tool (AU) or Spatializer?

JAX Stereo Tool (AU) ships an update every 11 days, and Spatializer every 2 months. Most recently, JAX Stereo Tool (AU) was updated on September 23, 2026 and Spatializer on September 15, 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.*