# GSDSP MMM vs jAmp Bleep

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.

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.

## The numbers

| Metric | GSDSP MMM | jAmp Bleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (34 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews)** | [4.7 (30 ratings)](https://appshunter.io/ios/app/jamp-bleep/id6478390576/reviews) |
| Number of ratings | **34** | 30 |
| Positive reviews | 75.0% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 65 MB | 13 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### GSDSP MMM

[App page](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329)

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:** macOS Compatibility

**In-app purchases:** none


### jAmp Bleep

[App page](https://appshunter.io/ios/app/jamp-bleep/id6478390576)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP MMM free?

GSDSP MMM 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 MMM or jAmp Bleep?

GSDSP MMM is rated higher. GSDSP MMM averages 4.8 out of 5 from 34 ratings, while jAmp Bleep averages 4.7 from 30 ratings.

### Do GSDSP MMM or jAmp Bleep have ads?

Neither GSDSP MMM nor jAmp Bleep shows ads.

### Which is updated more often, GSDSP MMM or jAmp Bleep?

GSDSP MMM ships an update every 6 weeks, and jAmp Bleep every 4 days. Most recently, GSDSP MMM was updated on August 21, 2026 and jAmp Bleep on August 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*