# JAX ESSENTIALS vs RetroSFX

The clearest difference is price: RetroSFX at $0.99 against JAX ESSENTIALS's $4.99. JAX ESSENTIALS's advantage is update cadence (fortnightly vs every 5 weeks) and device support. On in-app purchases and iOS requirement there is nothing between them.

JAX ESSENTIALS costs $4.99 and RetroSFX $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAX ESSENTIALS ships an update fortnightly, RetroSFX every 5 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JAX ESSENTIALS | RetroSFX |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/jax-essentials-chorus/id1636820813/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 35 MB | 133 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Ali Taleb](https://appshunter.io/developer/1635037808) |

## What reviewers say

### JAX ESSENTIALS

[App page](https://appshunter.io/ios/app/jax-essentials-chorus/id1636820813)

This AudioUnit plugin creates multi-stage chorus effects for music production. It allows for micro pitch shifting and low-frequency oscillation to add depth and movement to audio signals, compatible across Apple devices.

**Highlights:** Multi-stage chorus modulation, Low-frequency oscillator control, Cross-device preset sharing, Includes ~200 factory presets, User-created preset import/export, Universal app for iOS, macOS, visionOS

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

**In-app purchases:** none


### RetroSFX

[App page](https://appshunter.io/ios/app/retrosfx/id6761139769)

**In-app purchases:** none


## Frequently asked questions

### Is JAX ESSENTIALS free?

JAX ESSENTIALS costs $4.99, with no in-app purchases.

### Is RetroSFX free?

RetroSFX costs $0.99, with no in-app purchases.

### Which is updated more often, JAX ESSENTIALS or RetroSFX?

JAX ESSENTIALS ships an update fortnightly, and RetroSFX every 5 weeks. Most recently, JAX ESSENTIALS was updated on October 24, 2026 and RetroSFX on October 11, 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.*