# CuSnP vs GSDSP MMM

CuSnP and GSDSP MMM both sit at 4.8 stars, but that hides the real split: 100% of CuSnP's written reviews are positive against 75% of GSDSP MMM'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 — 4.8 for CuSnP against 4.8 for GSDSP MMM. Both are backed by a comparable volume of ratings — 36 and 34 respectively. Written reviews are what separate them: 100% of CuSnP's written reviews are positive against 75% of GSDSP MMM's.

CuSnP ships an update every 2 months, GSDSP MMM every 6 weeks. The most recent releases landed on July 7, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | CuSnP | GSDSP MMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (36 ratings)](https://appshunter.io/ios/app/cusnp/id1418236738/reviews) | **[4.8 (34 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews)** |
| Number of ratings | **36** | 34 |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 65 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neon Silicon](https://appshunter.io/developer/1409314093) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### CuSnP

[App page](https://appshunter.io/ios/app/cusnp/id1418236738)

This app acts as a container for a sympathetic string simulation Audio Unit Extension. It requires another application to function, where it generates resonant sounds based on input audio. It's designed for musicians and audio producers.

**Highlights:** Sympathetic string simulation, Audio Unit Extension (AU), Resonates with input audio, Container for AU functionality, Documentation included

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CuSnP free?

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

### Is GSDSP MMM free?

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

### Which has better reviews, CuSnP or GSDSP MMM?

GSDSP MMM is rated higher. CuSnP averages 4.8 out of 5 from 36 ratings, while GSDSP MMM averages 4.8 from 34 ratings.

### Do CuSnP or GSDSP MMM have ads?

Neither CuSnP nor GSDSP MMM shows ads.

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

CuSnP ships an update every 2 months, and GSDSP MMM every 6 weeks. Most recently, CuSnP was updated on July 7, 2026 and GSDSP MMM on August 21, 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.*