Comparison

AUFX vs KORG iWAVESTATION

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

Head to head
About

AUFX

This app offers a versatile stereo dynamics processor with advanced features like a noise gate, compressor/expander, and limiter. It allows for a wide range of audio manipulation, from subtle adjustments to extreme effects, with external side-chain capabilities and high-quality DSP.

Highlights
  • Stereo dynamics processor
  • Noise gate
  • Compressor/expander
  • External side-chain input
  • Lookahead limiter
  • High quality 32-bit DSP
Features
Read full description

A highly tweakable stereo dynamics processor with noise gate, compressor/expander with external side-chain input, and limiter/clipper. From subtle compression, extreme pumping, to maximum loudness! This app is part of the AUFX series, a collection of simple and powerful audio effect apps. • High quality 32-bit DSP engine. • Compressor/expander with optional lookahead buffer. • Allows negative ratios for pumping/cancellation effects. • Hard or soft knee with adjustable radius. • Built-in side-chain low/high cut filters with monitor toggle. • External side-chain input through Inter-App Audio or Audiobus. • Built-in noise gate. • Brick-wall lookahead limiter. • Hard/soft clipper. • Supports "parallell compression". • RMS/Peak envelope followers with attack, release and hold time. • Switchable between Linear and Logarithmic mode. • Automatic makeup gain. • Stereo link on/off. • Process hardware input/output, or other apps through Inter-App Audio or Audiobus (input/filter/output slots supported). • Save, load and share user presets. • Supports Audiobus 2 state saving. • Comes with several bundled presets. • Fully MIDI controllable, including Virtual MIDI. • Background Audio. • Record the result directly in app. • Email recordings or export to AudioShare audio document manager app. • Access user presets and recordings through iTunes File Sharing.

About

KORG iWAVESTATION

This app recreates a legendary 1990s synthesizer, offering time-varying timbre creation and advanced vector synthesis. Experience its unique sound-shaping potential with a renewed graphic interface and touch-based operation for iOS devices.

Highlights
  • Faithful reproduction of original WAVESTATION sound
  • Graphical wave sequence view with touch control
  • 1,500 sounds, 700+ waveforms, 55 effects
  • Powerful random sequence engine
  • AUv3 support for Logic Pro and GarageBand
  • Integration with KORG Gadget DAW
Features
Read full description

Creating sounds with time-varying timbre, on your mobile device. KORG iWAVESTATION - A wave sequence synthesizer for iOS. The WAVESTATION synthesizer went on sale in 1990. This instrument featured an advanced vector synthesis system which created new sounds by combining and connecting multiple waveforms; it provided a mix/morphing function that let you use a joystick to change the balance of four oscillators, and a distinctive wave sequence function that allowed you to place waveforms in a desired sequence to create sequence patterns. To this day, it continues to be considered a legendary and still-unique instrument. Now in 2016, the WAVESTATION has been reborn as "KORG iWAVESTATION," an app for iPad/iPhone. In addition to completely reproducing the programs, it also features a renewed design that lets everyone experience the stupendous sound-shaping potential of the WAVESTATION. It features touch-based operation that's distinctive of iOS, in conjunction with a new graphic interface that allows you to visualize and edit the time-varying timbral changes that are distinctive of the WAVESTATION. [ Features ] - A faithful reproduction of the original WAVESTATION sound: In addition to providing the sounds from all PCM memories of the WAVESTATION, the new iWAVESTATION also reproduces in software every detail of the parameters, based on an analysis of the original hardware circuit diagram. - A new wave sequence view that can be graphically controlled: The iWAVESTATION, we advance another step with a graphical user interface that takes advantage of the touch operations that are a characteristic of iOS. Even more than ever, we've updated the screen design with an emphasis on creating sequences. - 1,500 sounds, more than 700 waveforms, 55 effects, and a powerful random sequence engine: This new instrument includes a stupendous number of presets and waveforms, covering all models of the series. iWAVESTATION also provides a new random sequence function which will give you different perspectives to inspire new sounds. - Use with KORG Gadget and AUv3 for song production: iWAVESTATION can be used in conjunction with the "KORG Gadget" music production DAW app that has won numerous awards around the world. If both apps are installed, it can be used as the "Milpitas" gadget inside the KORG Gadget app. And also supports AUv3, so it can also be used as a sound module for Logic Pro and GarageBand. With a convenient and richly varied set of sounds, iWAVESTATION can be the foundation for either of these music production environments. More info at korg.com

Screenshots

AUFX4 screens
KORG iWAVESTATION4 screens

Verdict

The call

The clearest difference is price: AUFX at $4.99 against KORG iWAVESTATION's $29.99. AUFX also leads on in-app purchases (none vs 1) and iOS requirement (9.0 vs 13.0). KORG iWAVESTATION's advantage is ratings volume (134 vs 32). On rating, review sentiment, update cadence and ads 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

AUFX costs $4.99 and KORG iWAVESTATION $29.99 up front. KORG iWAVESTATION sells 1 one-off in-app purchase. AUFX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for AUFX against 4.2 for KORG iWAVESTATION. Both are backed by a comparable volume of ratings — 32 and 134 respectively. Written reviews are what separate them: 66% of AUFX's written reviews are positive against 69% of KORG iWAVESTATION's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
AUFX versus KORG iWAVESTATION: the parameters behind the verdict, then further details
ParameterAUFXKORG iWAVESTATION
Price$4.99 — better$29.99
Rating4.3 (32 ratings) — better4.2 (134 ratings)
Positive reviews65.8% of reviews69.0% of reviews — better
Number of ratings32134 — better
Update frequencyEvery 5 monthsEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size5 MB96 MB
Age rating4+4+
DeveloperKymatica ABKORG INC.

Customer experience

AUFX

All ratings32 ratings
Positive84.4%
Neutral6.3%
Negative9.4%
Written reviews38 reviews
Positive65.8%
Neutral13.2%
Negative21.1%

KORG iWAVESTATION

All ratings132 ratings
Positive78.8%
Neutral8.3%
Negative12.9%
Written reviews203 reviews
Positive69.0%
Neutral17.2%
Negative13.8%

Bugs and requests

AUFX

Not enough reviews yet to summarise bugs or requests.

KORG iWAVESTATION

Reported bugs

2 issues
  • Crashes when saving user presets
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Add AUv3 support
  • Improve preset management and browsing
  • Enhance MIDI functionality (channel selection, more CCs)
  • Expand filter options (high-pass, band-pass)

In-app purchases

None

AUFX

No in-app purchases

1 purchases

KORG iWAVESTATION

One-time1
  • Expansion Card Pack$4.99

Questions

Is AUFX free?
AUFX costs $4.99, with no in-app purchases.
Is KORG iWAVESTATION free?
KORG iWAVESTATION costs $29.99, and also offers in-app purchases.
Which has better reviews, AUFX or KORG iWAVESTATION?
AUFX is rated higher. AUFX averages 4.3 out of 5 from 32 ratings, while KORG iWAVESTATION averages 4.2 from 134 ratings.
Do AUFX or KORG iWAVESTATION have ads?
Neither AUFX nor KORG iWAVESTATION shows ads.
Which is updated more often, AUFX or KORG iWAVESTATION?
AUFX ships an update every 5 months, and KORG iWAVESTATION every 5 months. Most recently, AUFX was updated on October 24, 2026 and KORG iWAVESTATION on October 21, 2026.

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