Comparison

Thesys vs GSDSP MMM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thesys

This app is a powerful and intuitive MIDI step sequencer for creating complex musical patterns. It offers extensive control over MIDI devices, enabling organic bass lines, leads, and pads for studio or live performance. Advanced features allow for real-time pattern manipulation directly from a MIDI keyboard.

Highlights
  • MIDI Step Sequencer
  • Pattern Creation
  • Live Performance Options
  • Real-time Pattern Manipulation
  • Integrated Synth
  • Action Section (Gatetime, Looper, Slowdown)
  • Ableton Link Support
Read full description

Thesys is an extremely powerful and intuitive MIDI Step Sequencer app, giving you control over just about all aspects of your favorite MIDI devices. Use Thesys to create varied and organic bass lines, screaming leads, pulsating chords, and organic pad sounds in the studio or on stage. For live musicians, Thesys provides an extremely versatile palette of performance options which can be triggered right from your MIDI keyboard: you can transpose, manipulate, twist up, mutate, and mangle your patterns without even getting near your iPad. No other MIDI sequencer plugin offers you the ease and power of Thesys. It is 100% MIDI compliant and therefore provides the ultimate MIDI sequencing solution. iPad Edition Features: • Integrated Synth • Action Section (Gatetime, Looper, Slowdown...) • Pattern Sequencer • Standalone & Audio Unit v3 • Ableton Link Support • MIDI file Export • MIDI Support (Virtual, Netzwerk, Extern, Bluetooth), MIDI Learn & Host Automation • MIDI Clock Sync (Master & Slave) • Preset iCloud Sync • Preset Share • Zoom

About

GSDSP MMM

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
Read full description

A powerful MIDI modulation engine for controlling plugins, hardware, and instruments using LFOs, random sources, macros, and audio-based modulation. Modulate Everything MMM is a MIDI controller and modulation workstation designed to control any parameter that accepts MIDI CC — software instruments, plugins, external hardware, or any MIDI-capable device. Create modulation using LFOs, Random Generators, Envelope Followers, XY pads, and more. No more drawing of automation curves, keep your audio dynamic and exciting with ease. Perform Live MMM includes a dedicated Performance Skin designed for low-light and stage environments. It uses a restrained, red-accented color palette that preserves focus and minimizes visual distraction while performing. The interface remains clear and readable in dark settings, ensuring stable workflow during your live performance. MMM vs MMMm MMM includes audio input, enabling Envelope Followers, audio-reactive modulation, and audio output — ideal when used as an audio plugin. MMMm, by contrast, is a MIDI-only FX version for hosts such as Logic Pro or AUM that require a pure MIDI processor. Both versions support MIDI input and output and provide the same core modulators. MMM is an AUv3 audio effect plugin compatible with Logic Pro, AUM, Cubasis, GarageBand and many more. A Desktop version is also available for Windows and macOS (VST3 / AU / AAX). More information here: https://gs-dsp.com/products So what are you waiting for?

Screenshots

GSDSP MMM4 screens

Verdict

The call

The clearest difference is in-app purchases: GSDSP MMM at none against Thesys's 1. GSDSP MMM also leads on update cadence (every 5 weeks vs every 2 months) and device support (3 vs 1). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Thesys against 4.7 for GSDSP MMM. Both are backed by a comparable volume of ratings — 86 and 36 respectively. Written reviews are what separate them: 59% of Thesys's written reviews are positive against 67% of GSDSP MMM's.

UpkeepUpdate frequency

Thesys ships an update every 2 months, GSDSP MMM every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Thesys versus GSDSP MMM: the parameters behind the verdict, then further details
ParameterThesysGSDSP MMM
PriceFreeFree
Rating4.7 (86 ratings)4.7 (36 ratings) — better
Positive reviews59.3% of reviews66.7% of reviews — better
Number of ratings86 — better36
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size29 MB65 MB
Age rating4+4+
DeveloperSugar Bytes GmbHGustav Scholda

Customer experience

Thesys

All ratings85 ratings
Positive91.8%
Neutral2.4%
Negative5.9%
Written reviews54 reviews
Positive59.3%
Neutral11.1%
Negative29.6%

GSDSP MMM

All ratings36 ratings
Positive94.4%
Neutral0.0%
Negative5.6%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

Thesys

One-time1
  • Thesys Full Version$19.99
None

GSDSP MMM

No in-app purchases

Questions

Is Thesys free?
Thesys is free to download, with in-app purchases available.
Is GSDSP MMM free?
GSDSP MMM is free to download, with no in-app purchases.
Which has better reviews, Thesys or GSDSP MMM?
GSDSP MMM is rated higher. Thesys averages 4.7 out of 5 from 86 ratings, while GSDSP MMM averages 4.7 from 36 ratings.
Do Thesys or GSDSP MMM have ads?
Neither Thesys nor GSDSP MMM shows ads.
Which is updated more often, Thesys or GSDSP MMM?
Thesys ships an update every 2 months, and GSDSP MMM every 5 weeks. Most recently, Thesys was updated on November 1, 2026 and GSDSP MMM on November 3, 2026.

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