Comparison

SoundGrid vs GSDSP MMMm

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

Head to head
About

SoundGrid

Create melodies and unique compositions with a powerful matrix sequencer. Easily share your music, browse creations from others, and record your performances. Offers advanced features for experienced users and is simple enough for beginners.

Highlights
  • Matrix sequencer with up to eight 16x16 layers
  • Song Mode for automatic pattern playback
  • Live Play Mode for performances
  • Draw mode for multi-touch sound manipulation
  • Over 20 high-quality stereo sample instruments
  • Real-time sound effects
  • Share, browse, download, and rate user creations
Features
Read full description

SoundGrid is powerful yet easy to use matrix sequencer for iPhone, iPod Touch and iPad, allowing to create melodies in a moment and wherever you are. It was inspired by famous Tenori-on by Yamaha and popular ToneMatrix web app (http://bit.ly/tonema). Even if you have never composed music, you will find SoundGrid simple and exciting to play with and will start creating unique compositions in minutes with just the tips of your fingers. Then easily share them with other users and in turn browse, download and rate their creations. You can also record tracks and live performances to audio file, upload it directly to SoundCloud or export to a computer. For more experienced users SoundGrid offers advanced features and has everything you need to create longer and rich compositions and live performances. Listen to tracks created in SoundGrid - http://soundcloud.com/groups/soundgrid and on http://www.mifki.com/soundgrid/#sg . Follow @mifki on Twitter for news and updates. = FEATURES = ** Up to eight 16x16 matrix layers with up to 8 patterns per layer with different melodies - Song Mode to automatically play one pattern after another - Live Play Mode made specially for live performances - Draw mode to play sounds as you multi-touch or draw over the screen ** Various instruments - More than 20 instruments available with high-quality stereo samples - Download and install additional instruments right from the app for FREE (no additional in-app purchases) - Web Console to create instruments with your own samples ** High quality fast audio engine - Real-time sound effects: Amp Envelope, Delay and Lowpass/Highpass/Bandpass/Notch resonant filter - True 128 note polyphony with all effects turned on (on iPhone 4, older devices have lower limits) ** Share your compositions with other users, browse, download and rate their creations ** Adjustable project tempo, adjustable looping range for each pattern, pattern randomization, switchable musical scales, patterns copy/paste ** Easily load projects with graphical previews = REVIEWS = 5/5, "the creme de la creme of matrix sequencer apps" - SlapApp.com 4.2, "Whether you are an advanced musician or just someone who enjoys easily creating your own unique tunes, you should definitely pick this one up." - AppVee.com

About

GSDSP MMMm

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
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 MMMm 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 MMMm 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. MMMm is an AUv3 midi 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

Screenshots

SoundGrid4 screens
GSDSP MMMm4 screens

Verdict

The call

The clearest difference is rating: GSDSP MMMm at 4.9 against SoundGrid's 3.9. GSDSP MMMm also leads on review sentiment (100% vs 69%) and update cadence (every 5 weeks vs every 3 months). SoundGrid's advantage is iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GSDSP MMMm holds the better App Store score, 4.9 against 3.9. Both are backed by a comparable volume of ratings — 30 and 16 respectively. Written reviews point the same way: 69% of SoundGrid's written reviews are positive against 100% of GSDSP MMMm's.

UpkeepUpdate frequency

SoundGrid ships an update every 3 months, GSDSP MMMm every 5 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
SoundGrid versus GSDSP MMMm: the parameters behind the verdict, then further details
ParameterSoundGridGSDSP MMMm
PriceFreeFree
Rating3.9 (30 ratings)4.9 (16 ratings) — better
Positive reviews68.9% of reviews100.0% of reviews — better
Number of ratings30 — better16
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size38 MB44 MB
Age rating4+4+
DeveloperMIFKI PTY LTDGustav Scholda

Customer experience

SoundGrid

All ratings30 ratings
Positive66.7%
Neutral13.3%
Negative20.0%
Written reviews106 reviews
Positive68.9%
Neutral10.4%
Negative20.8%

GSDSP MMMm

All ratings16 ratings
Positive93.8%
Neutral6.3%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SoundGrid

No in-app purchases

None

GSDSP MMMm

No in-app purchases

Questions

Is SoundGrid free?
SoundGrid is free to download, with no in-app purchases.
Is GSDSP MMMm free?
GSDSP MMMm is free to download, with no in-app purchases.
Which has better reviews, SoundGrid or GSDSP MMMm?
GSDSP MMMm is rated higher. SoundGrid averages 3.9 out of 5 from 30 ratings, while GSDSP MMMm averages 4.9 from 16 ratings.
Do SoundGrid or GSDSP MMMm have ads?
Neither SoundGrid nor GSDSP MMMm shows ads.
Which is updated more often, SoundGrid or GSDSP MMMm?
SoundGrid ships an update every 3 months, and GSDSP MMMm every 5 weeks. Most recently, SoundGrid was updated on October 24, 2026 and GSDSP MMMm on October 27, 2026.

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