Comparison

GSDSP MMMm vs jAmp Bleep

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

Head to head
About

GSDSP MMMm

This app provides a powerful MIDI modulation engine to control various plugins, hardware, and instruments. It offers a range of modulation sources like LFOs and random generators, and includes a dedicated performance skin for live use. It's a MIDI-only FX version for hosts requiring pure MIDI processing.

Highlights
  • MIDI CC control for plugins and hardware
  • LFO, Random, Envelope Follower modulators
  • XY pads for modulation
  • Dedicated Performance Skin for live use
  • AUv3 MIDI FX plugin
  • Desktop versions available
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 MMMm 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 MMMm 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. MMMm is an AUv3 midi 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

About

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.

Highlights
  • AUv3 plugin
  • Bleep Bloop Machine remake
  • MIDI knob control
  • Sound manipulation
Features
Read full description

Remake as AUv3 plugin of Mike Moreno's Bleep Bloop Machine. The knobs can be controlled with MIDI. Turn the knobs and enjoy!

Screenshots

GSDSP MMMm4 screens
jAmp Bleep2 screens

Verdict

The call

The clearest difference is monetization model: GSDSP MMMm at free against jAmp Bleep's paid. GSDSP MMMm also leads on review sentiment (100% vs 89%) and iOS requirement (12.0 vs 14.0). jAmp Bleep's advantage is update cadence (every 4 days vs every 6 weeks). 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

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

GSDSP MMMm holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 14 and 30 respectively. Written reviews point the same way: 100% of GSDSP MMMm's written reviews are positive against 89% of jAmp Bleep's.

UpkeepUpdate frequency

GSDSP MMMm ships an update every 6 weeks, jAmp Bleep every 4 days. The most recent releases landed on September 11, 2026 and August 31, 2026 respectively.

Scorecard4 real differences · 6 level
GSDSP MMMm versus jAmp Bleep: the parameters behind the verdict, then further details
ParameterGSDSP MMMmjAmp Bleep
PriceFreeFree
Rating4.9 (14 ratings) — better4.7 (30 ratings)
Positive reviews100.0% of reviews — better88.9% of reviews
Number of ratings1430 — better
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better14.0
Further details — not scored
Size44 MB13 MB
Age rating4+4+
DeveloperGustav ScholdaJan Maes

Customer experience

GSDSP MMMm

All ratings13 ratings
Positive92.3%
Neutral7.7%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

jAmp Bleep

All ratings30 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews27 reviews
Positive88.9%
Neutral3.7%
Negative7.4%

In-app purchases

None

GSDSP MMMm

No in-app purchases

None

jAmp Bleep

No in-app purchases

Questions

Is GSDSP MMMm free?
GSDSP MMMm is free to download, with no in-app purchases.
Is jAmp Bleep free?
jAmp Bleep is free to download, with no in-app purchases.
Which has better reviews, GSDSP MMMm or jAmp Bleep?
GSDSP MMMm is rated higher. GSDSP MMMm averages 4.9 out of 5 from 14 ratings, while jAmp Bleep averages 4.7 from 30 ratings.
Do GSDSP MMMm or jAmp Bleep have ads?
Neither GSDSP MMMm nor jAmp Bleep shows ads.
Which is updated more often, GSDSP MMMm or jAmp Bleep?
GSDSP MMMm ships an update every 6 weeks, and jAmp Bleep every 4 days. Most recently, GSDSP MMMm was updated on September 11, 2026 and jAmp Bleep on August 31, 2026.

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