# MsyChords vs GSDSP MMMm

The clearest difference is rating: GSDSP MMMm at 4.9 against MsyChords's 4.0. GSDSP MMMm also leads on in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 11 months). On price, ads, monetization model and device support there is nothing between them.

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

GSDSP MMMm holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: GSDSP MMMm has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of MsyChords's written reviews are positive against 100% of GSDSP MMMm's.

MsyChords ships an update every 11 months, GSDSP MMMm every 5 weeks. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MsyChords | GSDSP MMMm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/msychords/id1207532145/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/gsdsp-mmmm/id6450306205/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 44 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Feiten](https://appshunter.io/developer/1197473079) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### MsyChords

[App page](https://appshunter.io/ios/app/msychords/id1207532145)

Create custom chord tables with precise tone control, including loudness, sustain, inversions, and arpeggios. Select from iCloud or transpose to any key. Offers five presets and intuitive performance controls for a personalized musical experience.

**Highlights:** Custom chord table creation, Adjustable loudness and sustain, Chord inversions and arpeggios, Preset performance controls, Transpose to any key, iCloud chord table selection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MsyChords-StoreFeature | $7.99 | one-time |


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MsyChords free?

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

### Is GSDSP MMMm free?

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

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

GSDSP MMMm is rated higher. MsyChords averages 4.0 out of 5 from 3 ratings, while GSDSP MMMm averages 4.9 from 16 ratings.

### Do MsyChords or GSDSP MMMm have ads?

Neither MsyChords nor GSDSP MMMm shows ads.

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

MsyChords ships an update every 11 months, and GSDSP MMMm every 5 weeks. Most recently, MsyChords was updated on October 4, 2026 and GSDSP MMMm on October 20, 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.*