Comparison

WOW Filterbox vs GSDSP MMM

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

Head to head
About

WOW Filterbox

This app offers a creative multi-filterbox with 21 filter types, analog and digital distortions, and powerful modulation options. It includes an integrated player and recorder, XY-pads for parameter control, and supports MIDI and Ableton Link.

Highlights
  • 21 filter types
  • Analog and digital distortion
  • Step sequencer & wobble generator
  • LFO with multiple waveforms
  • XY-Pads for parameter control
  • Integrated player and recorder
  • MIDI support & Ableton Link
Read full description

WOW2 is here! With a future-dripping user interface, 21 incredible filter types with the famous vowel mode. With distortions that cover your tracks with gas and put them on fire. Modulations that cause more trouble than your modular dark room. And finally that warm and juicy sound, that you were looking for. - 21 Filter types like Lowpass, Bandpass, Highpass, Bandreject, Comb and much more. Low pass types up to 48 db, including flavors like SVF, Diode Ladder and Transistor Ladder. The filters and distortions have been designed for best harmonics without aliasing, for high definition audio quality. - Three different analog modeling overdrives and four digital distortion functions are included. Use them pre or post the filter. - Modulation is power. Power is ***. Create stunning trance gates with the step sequencer, do some giant wobbles with the wobble generator or let all the modulators interact with each other. The LFO offers many different wave forms, restart options and sync flavors. - Presets are just one click away. Randomize presets to inspire yourself. Features at a Glance: • Audio Unit v3 & Standalone • XY-Pads to control 6 Parameters simultaneously • Integrated Player (File Sharing, Music Library, Factory Loops) • Integrated Recorder (div. Optionen: Start/Stop/Sync/Länge) • Live Modus (Inputs & Outputs selectable) • MIDI Support, MIDI Learn & Host Automation • Midi Clock Sync • Ableton Link support • Audioshare Import & Preset Share (iCloud)

About

GSDSP MMM

This app offers a robust MIDI modulation engine for controlling various instruments and plugins. It allows users to create dynamic audio with LFOs, random sources, and more, featuring a performance-focused interface for live use.

Highlights
  • MIDI CC control for plugins and hardware
  • LFOs, random sources, and envelope followers
  • Audio-based modulation capabilities
  • Dedicated Performance Skin for live use
  • AUv3 audio effect plugin
  • Desktop versions for Windows and macOS
Features
Read full description

A powerful MIDI modulation engine for controlling plugins, hardware, and instruments using LFOs, random sources, macros, and audio-based modulation. Modulate Everything MMM is a MIDI controller and modulation workstation designed to control any parameter that accepts MIDI CC — software instruments, plugins, external hardware, or any MIDI-capable device. Create modulation using LFOs, Random Generators, Envelope Followers, XY pads, and more. No more drawing of automation curves, keep your audio dynamic and exciting with ease. Perform Live MMM includes a dedicated Performance Skin designed for low-light and stage environments. It uses a restrained, red-accented color palette that preserves focus and minimizes visual distraction while performing. The interface remains clear and readable in dark settings, ensuring stable workflow during your live performance. MMM vs MMMm MMM includes audio input, enabling Envelope Followers, audio-reactive modulation, and audio output — ideal when used as an audio plugin. MMMm, by contrast, is a MIDI-only FX version for hosts such as Logic Pro or AUM that require a pure MIDI processor. Both versions support MIDI input and output and provide the same core modulators. MMM is an AUv3 audio effect plugin compatible with Logic Pro, AUM, Cubasis, GarageBand and many more. A Desktop version is also available for Windows and macOS (VST3 / AU / AAX). More information here: https://gs-dsp.com/products So what are you waiting for?

Screenshots

GSDSP MMM4 screens

Verdict

The call

The clearest difference is in-app purchases: GSDSP MMM at none against WOW Filterbox's 1. GSDSP MMM also leads on update cadence (every 5 weeks vs every 4 months) and device support (3 vs 1). On price, rating, review sentiment and ratings volume 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

Both are free to download. WOW Filterbox sells 1 one-off in-app purchase. GSDSP MMM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for WOW Filterbox against 4.7 for GSDSP MMM. Both are backed by a comparable volume of ratings — 30 and 36 respectively. Written reviews are what separate them: 64% of WOW Filterbox's written reviews are positive against 67% of GSDSP MMM's.

UpkeepUpdate frequency

WOW Filterbox ships an update every 4 months, GSDSP MMM every 5 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

Scorecard5 real differences · 5 level
WOW Filterbox versus GSDSP MMM: the parameters behind the verdict, then further details
ParameterWOW FilterboxGSDSP MMM
PriceFreeFree
Rating4.6 (30 ratings)4.7 (36 ratings) — better
Positive reviews64.3% of reviews66.7% of reviews — better
Number of ratings3036 — better
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size86 MB65 MB
Age rating4+4+
DeveloperSugar Bytes GmbHGustav Scholda

Customer experience

WOW Filterbox

All ratings30 ratings
Positive86.7%
Neutral10.0%
Negative3.3%
Written reviews42 reviews
Positive64.3%
Neutral11.9%
Negative23.8%

GSDSP MMM

All ratings36 ratings
Positive94.4%
Neutral0.0%
Negative5.6%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

WOW Filterbox

One-time1
  • WOW Full Version$19.99
None

GSDSP MMM

No in-app purchases

Questions

Is WOW Filterbox free?
WOW Filterbox is free to download, with in-app purchases available.
Is GSDSP MMM free?
GSDSP MMM is free to download, with no in-app purchases.
Which has better reviews, WOW Filterbox or GSDSP MMM?
GSDSP MMM is rated higher. WOW Filterbox averages 4.6 out of 5 from 30 ratings, while GSDSP MMM averages 4.7 from 36 ratings.
Do WOW Filterbox or GSDSP MMM have ads?
Neither WOW Filterbox nor GSDSP MMM shows ads.
Which is updated more often, WOW Filterbox or GSDSP MMM?
WOW Filterbox ships an update every 4 months, and GSDSP MMM every 5 weeks. Most recently, WOW Filterbox was updated on October 23, 2026 and GSDSP MMM on October 27, 2026.

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