Comparison

JAX ESSENTIALS vs RetroSFX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JAX ESSENTIALS

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
Read full description

( THIS IS AN AUDIOUNIT. AudioUnits are app extensions, requiring an audio host application to perform. ) Use the same AudioUnits across all modern Apple devices, including the iPhone , the Vision Pro and the Mac (Apple Silicon). Native MacOS apps like GarageBand, MainStage 3 and Logic Pro X are tested and supported. Any 3rd-party AUv3 supporting host should be able to host the plugin too. The JAX ESSENTIAL SERIES Chorus is a multi stage chorus modulation effect that uses multiple copies of the audio signal, micro pitch shifted, to produce all kinds of the famous chorus effect. A low frequency oscillator modulates depth and speed of the pitch shift on both stereo channels for various living and moving sound nuances. Make static sounding voices more interesting or create swirrling special effects. You may share the presets for this effect across all your supported devices. Around 200 factory presets are included, you can make and export/import your own. The manual is included and can be previewed on our support website. For advanced usage (i.e. mastering and exciting), we recommend to select the chorus from our SELECTIVE RANGE SERIES, which allows to limit the frequency range for processing. This build is truly 'universal', meaning, the audio unit is available for: - iOS (all actual iPhones) - iPadOS (all actual iPads) - macOS (Apple Silicon) - visionOS (Apple Vision Pro) Requirements: MacOS 10.15++ iOS 14.0++ Behaviour on all devices is identical. The parametric interface is resizeble and adopts to any screen size and orientation. This especially applies to Logic Pro X and all hosts with adjustable window sizes on all platforms. Display contrast can be adjusted freely and is now saved with each preset.

About

RetroSFX

Read full description

RetroSFX is a powerful and easy‑to‑use tool for creating retro‑style sound effects. Whether you’re a game developer, content creator, or simply a fan of classic audio, this app gives you everything you need to generate unique SFX with a single tap.

Screenshots

JAX ESSENTIALS4 screens
RetroSFX3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard3 real differences · 6 level
JAX ESSENTIALS versus RetroSFX: the parameters behind the verdict, then further details
ParameterJAX ESSENTIALSRetroSFX
Price$4.99$0.99 — better
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 5 weeks
AdsNo—
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — better—
Requires iOS14.0 — better15.0
Further details — not scored
Size35 MB133 MB
Age rating4+4+
DeveloperJens GuellAli Taleb

In-app purchases

None

JAX ESSENTIALS

No in-app purchases

None

RetroSFX

No in-app purchases

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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