# Stereo Modulator vs JAX MASTERING

The clearest difference is price: Stereo Modulator at $2.99 against JAX MASTERING's $9.99. Stereo Modulator also leads on update cadence (every 3 months vs every 25 months) and iOS requirement (10.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Stereo Modulator costs $2.99 and JAX MASTERING $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stereo Modulator ships an update every 3 months, JAX MASTERING every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stereo Modulator | JAX MASTERING |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stereo-modulator/id1370816026/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 25 months |
| Monetization | Paid | — |
| Size | 2 MB | 78 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Jens Guell](https://appshunter.io/developer/1195004865) |

## What reviewers say

### Stereo Modulator

[App page](https://appshunter.io/ios/app/stereo-modulator/id1370816026)

This audio effect plugin transforms mono sound into stereo, adding width and depth. It uses micro-delays to create a natural sense of space, with optional LFO modulation for a Leslie speaker-like effect without pitch shifting. Ideal for creating separation in mixes, especially for guitars and vocals.

**Highlights:** Mono to stereo conversion, Adjustable stereo width, Optional LFO modulation, Micro-delay de-correlators, Creates natural spatial depth, No pitch shifting or echo

**Features:** macOS Compatibility

**In-app purchases:** none


### JAX MASTERING

[App page](https://appshunter.io/ios/app/jax-mastering-mbc-pro/id1619272047)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stereo Modulator free?

Stereo Modulator costs $2.99, with no in-app purchases.

### Is JAX MASTERING free?

JAX MASTERING costs $9.99, with no in-app purchases.

### Do Stereo Modulator or JAX MASTERING have ads?

Neither Stereo Modulator nor JAX MASTERING shows ads.

### Which is updated more often, Stereo Modulator or JAX MASTERING?

Stereo Modulator ships an update every 3 months, and JAX MASTERING every 25 months. Most recently, Stereo Modulator was updated on November 2, 2026 and JAX MASTERING on November 3, 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.*