Comparison

SimplyLowPass vs JAX ESSENTIALS

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

Head to head
About

SimplyLowPass

Features
Read full description

A simple but fast low-pass filter with control over cutoff frequency and resonance factor. The filter exists in an AUv3 app extension so it is available for use in any host app that supports AudioUnit components such as AUM or Cubasis or GarageBand. This app is just a delivery mechanism for the AUv3 app extension and a demo of how it works.

About

JAX ESSENTIALS

This audio effect plugin offers a multi-stage phaser modulation with allpass filters for dynamic soundscapes. It's compatible across Apple devices and integrates with popular music production software.

Highlights
  • Multi-stage phaser modulation
  • Allpass filter design
  • LFO for depth and speed modulation
  • Cross-device preset sharing
  • Includes ~200 factory presets
  • Resizable and adaptive interface
Features
Read full description

( THIS IS AN AUDIOUNIT. AudioUnits are app extensions, requiring any audio host application to perform. ) Use the same AudioUnits across all modern Apple devices, including the iPhone and the Mac (Apple Silicon). Native MacOS apps like GarageBand, MainStage 3 and Logic Pro X are fully supported. Any 3rd-party AUv3 supporting host should be able to host the plugin too. The JAX ESSENTIAL SERIES Phaser is a multi stage phaser modulation effect that uses multiple allpass filters, to produce all kinds of the famous phaser effect. A low frequency oscillator modulates depth and speed of the filter modulation on both stereo channels for various living and moving sound nuances. Make static sounding voices more interesting or create sweaping 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 complete manual is included and can be previewed on our support website: https://audio.digitster.com For advanced usage (i.e. mastering and exciting), we recommend to select the phaser 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 11.0++ 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.

Screenshots

SimplyLowPass2 screens
JAX ESSENTIALS4 screens

Verdict

The call

The clearest difference is price: SimplyLowPass at $0.99 against JAX ESSENTIALS's $4.99. JAX ESSENTIALS's advantage is iOS requirement (14.0 vs 16.6). On update cadence, ads, in-app purchases and device support 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

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

UpkeepUpdate frequency

SimplyLowPass ships an update every 3 weeks, JAX ESSENTIALS every 2 weeks. Both last shipped on October 4, 2026.

Scorecard2 real differences · 7 level
SimplyLowPass versus JAX ESSENTIALS: the parameters behind the verdict, then further details
ParameterSimplyLowPassJAX ESSENTIALS
Price$0.99 — better$4.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.614.0 — better
Further details — not scored
Size5 MB33 MB
Age rating4+4+
DeveloperBrad HowesJens Guell

In-app purchases

None

SimplyLowPass

No in-app purchases

None

JAX ESSENTIALS

No in-app purchases

Questions

Is SimplyLowPass free?
SimplyLowPass costs $0.99, with no in-app purchases.
Is JAX ESSENTIALS free?
JAX ESSENTIALS costs $4.99, with no in-app purchases.
Do SimplyLowPass or JAX ESSENTIALS have ads?
Neither SimplyLowPass nor JAX ESSENTIALS shows ads.
Which is updated more often, SimplyLowPass or JAX ESSENTIALS?
SimplyLowPass ships an update every 3 weeks, and JAX ESSENTIALS every 2 weeks. Most recently, SimplyLowPass was updated on October 4, 2026 and JAX ESSENTIALS on October 4, 2026.

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