GSDSP MMM vs jAmp Bleep
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?
jAmp Bleep
This app is an AUv3 audio plugin that recreates the Bleep Bloop Machine. It offers MIDI control for its knobs, allowing users to manipulate sound and create music.
- AUv3 plugin
- Bleep Bloop Machine remake
- MIDI knob control
- Sound manipulation
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Remake as AUv3 plugin of Mike Moreno's Bleep Bloop Machine. The knobs can be controlled with MIDI. Turn the knobs and enjoy!
Screenshots
Verdict
The clearest difference is monetization model: GSDSP MMM at free against jAmp Bleep's paid. GSDSP MMM also leads on iOS requirement (12.0 vs 14.0). jAmp Bleep's advantage is update cadence (every 4 days vs every 6 weeks) and review sentiment (89% vs 75%). On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for GSDSP MMM against 4.7 for jAmp Bleep. Both are backed by a comparable volume of ratings — 34 and 30 respectively. Written reviews are what separate them: 75% of GSDSP MMM's written reviews are positive against 89% of jAmp Bleep's.
GSDSP MMM ships an update every 6 weeks, jAmp Bleep every 4 days. The most recent releases landed on August 21, 2026 and August 31, 2026 respectively.
| Parameter | GSDSP MMM | jAmp Bleep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (34 ratings) — better | 4.7 (30 ratings) |
| Positive reviews | 75.0% of reviews | 88.9% of reviews — better |
| Number of ratings | 34 — better | 30 |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 65 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustav Scholda | Jan Maes |
Customer experience
GSDSP MMM
jAmp Bleep
In-app purchases
GSDSP MMM
No in-app purchases
jAmp Bleep
No in-app purchases








