# GSDSP MMMm vs ShowMIDI

GSDSP MMMm and ShowMIDI both sit at 4.9 stars, but that hides the real split: 100% of GSDSP MMMm's written reviews are positive against 88% of ShowMIDI's. On price, rating, ratings volume and update cadence 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 — 4.9 for GSDSP MMMm against 4.8 for ShowMIDI. Both are backed by a comparable volume of ratings — 14 and 18 respectively. Written reviews are what separate them: 100% of GSDSP MMMm's written reviews are positive against 88% of ShowMIDI's.

GSDSP MMMm ships an update every 6 weeks, ShowMIDI every 2 months. The most recent releases landed on September 11, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | GSDSP MMMm | ShowMIDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/gsdsp-mmmm/id6450306205/reviews)** | [4.8 (18 ratings)](https://appshunter.io/ios/app/showmidi/id6472608850/reviews) |
| Number of ratings | 14 | **18** |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 44 MB | 8 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Uwyn, LLC](https://appshunter.io/developer/597132109) |

## What reviewers say

### GSDSP MMMm

[App page](https://appshunter.io/ios/app/gsdsp-mmmm/id6450306205)

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:** macOS Compatibility

**In-app purchases:** none


### ShowMIDI

[App page](https://appshunter.io/ios/app/showmidi/id6472608850)

This application provides a real-time, glanceable view of all MIDI activity on your computer. It visualizes various MIDI messages and allows you to pause the flow for a data snapshot. It can be used as a standalone tool or an AUv3 plugin within your DAW.

**Highlights:** Real-time MIDI visualization, Auto-hides irrelevant messages, Pause and snapshot data, Standalone application, AUv3 plugin support, Supports MPE configuration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP MMMm free?

GSDSP MMMm is free to download, with no in-app purchases.

### Is ShowMIDI free?

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

### Which has better reviews, GSDSP MMMm or ShowMIDI?

GSDSP MMMm is rated higher. GSDSP MMMm averages 4.9 out of 5 from 14 ratings, while ShowMIDI averages 4.8 from 18 ratings.

### Do GSDSP MMMm or ShowMIDI have ads?

Neither GSDSP MMMm nor ShowMIDI shows ads.

### Which is updated more often, GSDSP MMMm or ShowMIDI?

GSDSP MMMm ships an update every 6 weeks, and ShowMIDI every 2 months. Most recently, GSDSP MMMm was updated on September 11, 2026 and ShowMIDI on September 5, 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.*