GSDSP MMM vs Chord Roulette
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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?
Chord Roulette
This AUv3 MIDI plugin transforms a single MIDI note into a wide range of harmonious chords, enabling generative music composition. It offers extensive control over parameters, scales, and real-time adjustments for creative musical exploration.
- Chord generation from single MIDI notes
- Automation-ready parameters
- Generative music composition
- Diverse scale and mode selection
- Real-time precision adjustments
- AUv3 compatibility for DAWs
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Welcome to Chord Roulette, your gateway to boundless musical creativity. Chord Roulette is an AUv3 MIDI plugin that takes a single MIDI note and transforms it into a mesmerizing array of harmonious chords, offering an infinite realm of possibilities for generative music composition. Key Features: - Chord Generation Mastery: Instantly convert a single MIDI note into a rich tapestry of harmonically intricate chords, exploring scales and tonalities effortlessly. - Automation at Your Fingertips: Every parameter within Chord Roulette is automation-ready, granting you meticulous control over your compositions. - Generative Magic: Witness your musical ideas evolve and expand organically, giving birth to fresh and captivating compositions with minimal effort. - Scale Selection Flexibility: Choose from a diverse array of scales, modes, and tonalities to craft the perfect musical atmosphere. - Real-Time Precision: Fine-tune your chord progressions and melodies on the fly, ensuring each note aligns perfectly with your vision. - AUv3 Compatibility: Seamlessly integrate Chord Roulette into your preferred iOS DAWs, offering complete creative control. With Chord Roulette, you possess the ultimate tool to compose generative music that reflects your unique artistic vision. Whether you're a composer, producer, or performer, our plugin empowers you to craft musical journeys that captivate and inspire. Unleash your musical imagination. Download Chord Roulette now and embark on an endless voyage of generative music composition!
Screenshots
Verdict
The clearest difference is price: GSDSP MMM at Free against Chord Roulette's $0.99. GSDSP MMM also leads on rating (4.7 vs 4.4) and iOS requirement (13.0 vs 15.6). Chord Roulette's advantage is update cadence (every 3 days vs every 5 weeks). On review sentiment, 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
GSDSP MMM is free to download; Chord Roulette costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GSDSP MMM holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 36 and 23 respectively. Written reviews complicate that: 67% of GSDSP MMM's written reviews are positive against 71% of Chord Roulette's, so the app with the better star average is not the one people write more warmly about.
GSDSP MMM ships an update every 5 weeks, Chord Roulette every 3 days. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.
| Parameter | GSDSP MMM | Chord Roulette |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.7 (36 ratings) — better | 4.4 (23 ratings) |
| Positive reviews | 66.7% of reviews | 71.4% of reviews — better |
| Number of ratings | 36 — better | 23 |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 65 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustav Scholda | Denis Safiullin |
Customer experience
GSDSP MMM
Chord Roulette
In-app purchases
GSDSP MMM
No in-app purchases
Chord Roulette
No in-app purchases







