# GSDSP MMM vs X808

The clearest difference is in-app purchases: GSDSP MMM at none against X808's 1. GSDSP MMM also leads on update cadence (every 5 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. X808 sells 1 one-off in-app purchase. GSDSP MMM asks for nothing beyond the download.

GSDSP MMM ships an update every 5 weeks, X808 every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | GSDSP MMM | X808 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (36 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 65 MB | 23 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [iDance](https://appshunter.io/developer/1680177485) |

## 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


### X808

[App page](https://appshunter.io/ios/app/x808/id6447106096)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| X808 Full Version | $6.99 | one-time |


## Frequently asked questions

### Is GSDSP MMM free?

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

### Is X808 free?

X808 is free to download, with in-app purchases available.

### Do GSDSP MMM or X808 have ads?

Neither GSDSP MMM nor X808 shows ads.

### Which is updated more often, GSDSP MMM or X808?

GSDSP MMM ships an update every 5 weeks, and X808 every 5 months. Most recently, GSDSP MMM was updated on November 3, 2026 and X808 on November 3, 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.*