Comparison

AU3FX vs Phonolyth Cascade

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

Head to head
About

AU3FX

This audio effect plugin offers a highly customizable stereo delay, capable of producing a wide spectrum of sounds from clean digital echoes to distorted dub effects and flangers. It features a 32-bit DSP engine with extensive tweakable parameters, tape simulation, and filters for unique sonic textures.

Highlights
  • Highly tweakable stereo delay
  • 32-bit DSP engine
  • Tape simulation (noise and warble)
  • Filters in delay loop
  • Stereo, detune, and ping-pong modes
  • Dual LFO for modulation
  • Bundled presets and user presets
Features
Read full description

A highly tweakable stereo delay AudioUnit effect, suitable for everything from clean digital delays to filthy dub echoes, flangers and broken cassette tapes. This app is part of the AU3FX series, a collection of simple and powerful audio unit effect plugins. • High quality 32-bit DSP engine. • A multitude of parameters to tweak to get a wide range of sounds. • Tape simulation (noise and warble). • Filters in the delay loop for typical dub sound. • Stereo delay, stereo detune, ping-pong delay. • Sinewave and random dual LFO for flangers and other modulations. • Comes with several bundled presets. • Use multiple instances at the same time. • Save/load session state in host. • External access and control of all parameters from host. • User presets shared across hosts (on iOS 13 and later).

About

Phonolyth Cascade

This app offers a versatile reverb and diffusion processor with an experimental edge. It allows for the creation of expansive modulated spaces, stereo widening, and hybrid delay/reverb effects. Explore unique sonic territories with a wide range of controls and randomized modulation.

Highlights
  • Expansive modulated supernatural spaces
  • Stereo widening and transient smearing
  • Hybrid delay/reverb effects
  • Chorus, flanger, and resonator-like effects
  • Randomized modulation
  • Infinity and Freeze buttons
  • Mix Lock for preset switching
Features
Read full description

Cascade is a versatile reverb and diffusion processor with an experimental edge. Designed first and foremost with expansive modulated supernatural spaces in mind, it features an extensive set of controls to explore other sonic territories such as stereo widening, transient smearing, hybrid delay/reverb and chorus/flanger/resonator-like effects. Features: - Wide range of diffusion textures spanning from subtle smearing and widening to otherworldly reverberation - Lush randomized modulation - Infinity and Freeze buttons for never-ending reverb bliss - Mix Lock for switching presets while keeping the dry/wet mix constant - Freely resizable UI with light and dark color schemes - Cross-platform preset format for sharing across plugin formats and OSes - 30 factory presets to get you started - Includes an AudioUnit v3 plugin for use in host apps such as GarageBand and AUM, and a standalone app

Screenshots

AU3FX2 screens
Phonolyth Cascade2 screens

Verdict

The call

The clearest difference is price: AU3FX at $5.99 against Phonolyth Cascade's $7.99. On rating, review sentiment, ratings volume and update cadence 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

AU3FX costs $5.99 and Phonolyth Cascade $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AU3FX against 4.9 for Phonolyth Cascade. Both are backed by a comparable volume of ratings — 20 and 30 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

AU3FX ships an update every 6 months, Phonolyth Cascade every 7 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
AU3FX versus Phonolyth Cascade: the parameters behind the verdict, then further details
ParameterAU3FXPhonolyth Cascade
Price$5.99 — better$7.99
Rating5.0 (20 ratings) — better4.9 (30 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2030 — better
Update frequencyEvery 6 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size2 MB10 MB
Age rating4+4+
DeveloperKymatica ABYuri Turov

Customer experience

AU3FX

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Phonolyth Cascade

All ratings30 ratings
Positive96.7%
Neutral3.3%
Negative0.0%
Written reviews19 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

AU3FX

No in-app purchases

None

Phonolyth Cascade

No in-app purchases

Questions

Is AU3FX free?
AU3FX costs $5.99, with no in-app purchases.
Is Phonolyth Cascade free?
Phonolyth Cascade costs $7.99, with no in-app purchases.
Which has better reviews, AU3FX or Phonolyth Cascade?
AU3FX is rated higher. AU3FX averages 5.0 out of 5 from 20 ratings, while Phonolyth Cascade averages 4.9 from 30 ratings.
Do AU3FX or Phonolyth Cascade have ads?
Neither AU3FX nor Phonolyth Cascade shows ads.
Which is updated more often, AU3FX or Phonolyth Cascade?
AU3FX ships an update every 6 months, and Phonolyth Cascade every 7 months. Most recently, AU3FX was updated on October 5, 2026 and Phonolyth Cascade on October 6, 2026.

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