# GSDSP MMM vs jAmp IR

GSDSP MMM and jAmp IR are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 — 4.7 for GSDSP MMM against 4.7 for jAmp IR. Both are backed by a comparable volume of ratings — 36 and 15 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

GSDSP MMM ships an update every 5 weeks, jAmp IR every 2 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GSDSP MMM | jAmp IR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (36 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/jamp-ir/id6476031801/reviews)** |
| Number of ratings | **36** | 15 |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 65 MB | 1 MB |
| Requires iOS | **13.0** | 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, Vision Pro support

**In-app purchases:** none


### jAmp IR

[App page](https://appshunter.io/ios/app/jamp-ir/id6476031801)

This tool loads impulse responses for guitar and bass amp cabinet simulation. It allows mixing two impulse responses and offers fine control over filters, gain, and phase. The app includes five high-quality impulse responses.

**Highlights:** Impulse response loader, Cabinet simulator for guitar and bass, Mix two impulse responses, High and low pass filters, Gain control, Phase inversion

**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 IR free?

jAmp IR is free to download, with no in-app purchases.

### Which has better reviews, GSDSP MMM or jAmp IR?

jAmp IR is rated higher. GSDSP MMM averages 4.7 out of 5 from 36 ratings, while jAmp IR averages 4.7 from 15 ratings.

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

Neither GSDSP MMM nor jAmp IR shows ads.

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

GSDSP MMM ships an update every 5 weeks, and jAmp IR every 2 weeks. Most recently, GSDSP MMM was updated on October 27, 2026 and jAmp IR on October 24, 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.*