Claravox vs GSDSP MMMm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Claravox
This app provides an advanced interface for sound design and preset management for a specific theremin instrument. It unlocks additional synthesis features and allows users to craft, store, and share custom sonic creations.
- Intuitive graphical interface for all control parameters
- Access advanced synthesis engine features
- Create, store, and manage new presets
- Edit existing presets and re-sculpt sounds
- Share custom sonic creations and libraries
- Update theremin firmware
- Exclusive library of new presets
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Take full control of your Claravox Centennial Theremin with the Moog Claravox Advanced Software Editor. This Universal App (iOS & MacOS) puts the power of sound design in your hands by displaying all Claravox control parameters in a single intuitive graphical interface. Access new layers of the Claravox Centennial’s synthesis engine, unlocking advanced sonic features not found on the front panel such as a second oscillator, scannable wavetables, an additional filter (state-variable), modulation routings, and more. Easily craft new and exciting sounds for your Moog Claravox, re-sculpt existing presets, and share your sonic creations with others. The Moog Claravox Advanced Software Editor also includes an exclusive library of new presets to kick-start your creative process. NOTE: This application does not make sound by itself. It is an editor librarian app for the Moog Claravox Centennial Theremin. To use this app, you must connect Claravox to your MacOS or iOS device via USB or DIN MIDI and select the appropriate ports in the App MIDI settings. Examples of common adapters include: the Apple Lightning to USB Camera adapter (for iOS devices with Lightning connector) and a USB 2.0 cable, the Apple USB-C to USB adapter (for devices with USB-C port) and a USB 2.0 cable, or a Bluetooth enabled MIDI dongle. FEATURES • Create, store, and manage new presets • Edit existing presets • Access advanced sonic features not found on the Claravox Centennial front panel • Craft new sounds in real-time while playing your Claravox Centennial Theremin • Create or edit preset libraries with built in Library Manager • Unlimited preset storage • Share custom libraries of your Claravox presets with others • Edit Claravox Centennial’s global settings • Update Claravox Centennial’s firmware • Read Claravox Centennial’s manual
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
Claravox and GSDSP MMMm both sit at 5.0 stars, but that hides the real split: 100% of GSDSP MMMm's written reviews are positive against 0% of Claravox's. GSDSP MMMm also leads on ratings volume (16 vs 3). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Claravox against 4.9 for GSDSP MMMm. 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 are what separate them: 0% of Claravox's written reviews are positive against 100% of GSDSP MMMm's.
Claravox ships an update every 3 weeks, GSDSP MMMm every 5 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | Claravox | GSDSP MMMm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.9 (16 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 16 — better |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.3 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Moog Music Inc. | Gustav Scholda |
Customer experience
Claravox
GSDSP MMMm
In-app purchases
Claravox
No in-app purchases
GSDSP MMMm
No in-app purchases









