SoundGrid vs GSDSP MMMm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | SoundGrid | GSDSP MMMm |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (30 ratings) | 4.9 (16 ratings) — better |
| Positive reviews | 68.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 30 — better | 16 |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 38 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | MIFKI PTY LTD | Gustav Scholda |
Customer experience
SoundGrid
GSDSP MMMm
In-app purchases
SoundGrid
No in-app purchases
GSDSP MMMm
No in-app purchases








