# Sequencer Rack 2 vs GSDSP MMM

The clearest difference is price: GSDSP MMM at Free against Sequencer Rack 2's $3.99. GSDSP MMM also leads on rating (4.7 vs 1.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

GSDSP MMM is free to download; Sequencer Rack 2 costs $3.99 up front. Sequencer Rack 2 sells 1 one-off in-app purchase. GSDSP MMM asks for nothing beyond the download.

GSDSP MMM holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: GSDSP MMM has 36 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Sequencer Rack 2's written reviews are positive against 67% of GSDSP MMM's.

Sequencer Rack 2 ships an update every 91 months, GSDSP MMM every 5 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sequencer Rack 2 | GSDSP MMM |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/sequencer-rack-2-groovebox/id1455851982/reviews) | **[4.7 (36 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews)** |
| Number of ratings | 1 | **36** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 91 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 14 MB | 65 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Sequencer Rack 2

[App page](https://appshunter.io/ios/app/sequencer-rack-2-groovebox/id1455851982)

Create music and beats with a vintage-inspired step sequencer. Features 16 distinct sounds, chord progressions, and effects. Export your creations as WAV files.

**Highlights:** 16 distinct vintage sounds, Chord progressions in C major, Melody pads, Two audio effects, Export to WAV, Sound pitch and volume control, Loop playback

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sequencer Rack 2 unlock export | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Sequencer Rack 2 free?

Sequencer Rack 2 costs $3.99, and also offers in-app purchases.

### Is GSDSP MMM free?

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

### Which has better reviews, Sequencer Rack 2 or GSDSP MMM?

GSDSP MMM is rated higher. Sequencer Rack 2 averages 1.0 out of 5 from 1 ratings, while GSDSP MMM averages 4.7 from 36 ratings.

### Do Sequencer Rack 2 or GSDSP MMM have ads?

Neither Sequencer Rack 2 nor GSDSP MMM shows ads.

### Which is updated more often, Sequencer Rack 2 or GSDSP MMM?

Sequencer Rack 2 ships an update every 91 months, and GSDSP MMM every 5 weeks. Most recently, Sequencer Rack 2 was updated on October 29, 2026 and GSDSP MMM on October 27, 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.*