Comparison

Filterjam 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

Filterjam

This app offers a multiband resonant filter for creating unique audio effects. It divides input signals into four bands, allowing for various sonic manipulations from subtle enhancements to extreme sound mangling.

Highlights
  • Multiband resonant filtering
  • 4-band signal division
  • Sum or multiply band modes
  • Versatile sound shaping
  • Ringmod-like effects
Features
Read full description

Filterjam is a multi-band resonant filter delivering weird ringmod-like filtered sounds. The input signal is divided into 4 bands that are then summed or multiplied together according to the selected mode. Filterjam can be very harsh or gentle, it can add brightness or depth to synth sounds, but it can also completely mangle acoustic sources.

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

Filterjam2 screens
GSDSP MMM4 screens

Verdict

The call

The clearest difference is update cadence: GSDSP MMM at every 5 weeks against Filterjam's every 22 months. GSDSP MMM also leads on iOS requirement (12.0 vs 14.0). Filterjam's advantage is rating (5.0 vs 4.7) and review sentiment (83% vs 67%). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Filterjam holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 34 and 36 respectively. Written reviews point the same way: 83% of Filterjam's written reviews are positive against 67% of GSDSP MMM's.

UpkeepUpdate frequency

Filterjam ships an update every 22 months, GSDSP MMM every 5 weeks. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
Filterjam versus GSDSP MMM: the parameters behind the verdict, then further details
ParameterFilterjamGSDSP MMM
PriceFreeFree
Rating5.0 (34 ratings) — better4.7 (36 ratings)
Positive reviews83.3% of reviews — better66.7% of reviews
Number of ratings3436 — better
Update frequencyEvery 22 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size25 MB65 MB
Age rating4+4+
DeveloperAudioThing Ltd.Gustav Scholda

Customer experience

Filterjam

All ratings34 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

GSDSP MMM

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

In-app purchases

None

Filterjam

No in-app purchases

None

GSDSP MMM

No in-app purchases

Questions

Is Filterjam free?
Filterjam is free to download, with no in-app purchases.
Is GSDSP MMM free?
GSDSP MMM is free to download, with no in-app purchases.
Which has better reviews, Filterjam or GSDSP MMM?
Filterjam is rated higher. Filterjam averages 5.0 out of 5 from 34 ratings, while GSDSP MMM averages 4.7 from 36 ratings.
Do Filterjam or GSDSP MMM have ads?
Neither Filterjam nor GSDSP MMM shows ads.
Which is updated more often, Filterjam or GSDSP MMM?
Filterjam ships an update every 22 months, and GSDSP MMM every 5 weeks. Most recently, Filterjam was updated on October 15, 2026 and GSDSP MMM on October 20, 2026.

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