Oscillator 3 vs GSDSP MMM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oscillator 3
This app is a triangle wave synthesizer that can be used as an educational tool for learning synthesis or as a creative instrument for generating pure triangle waves. It supports MIDI input and AUv3 integration, allowing layering with other synths for complex sound textures.
- Triangle wave synthesis
- MIDI input support
- AUv3 integration
- Educational synthesis tool
- Drone mode for continuous playback
- Layering with other synths
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Oscillator 3 is a Triangle wave synthesizer, playable via MIDI or as an AUv3. Useful as an educational tool to learn about synthesis parameters such as envelopes and modulation, or as a creative tool when you need a pure triangle wave. Drone mode plays any notes back continuously at the level set by the 'Sustain' knob. Layer with other apps in the Oscillator series to create rich evolving textures.
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.
- 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
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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 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
Verdict
The clearest difference is review sentiment: GSDSP MMM at 67% against Oscillator 3's 0%. GSDSP MMM also leads on rating (4.7 vs 4.3) and ratings volume (36 vs 9). On price, ads, in-app purchases and monetization model 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 MMM holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 9 and 36 respectively. Written reviews point the same way: 0% of Oscillator 3's written reviews are positive against 67% of GSDSP MMM's.
| Parameter | Oscillator 3 | GSDSP MMM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) | 4.7 (36 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 9 | 36 — better |
| Update frequency | — | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Cooperator Design | Gustav Scholda |
Customer experience
Oscillator 3
GSDSP MMM
In-app purchases
Oscillator 3
No in-app purchases
GSDSP MMM
No in-app purchases









