Groovy Pianotuner vs GSDSP MMMm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Groovy Pianotuner
This application provides a strobe tuning experience for pianos. It is designed for both vertical and grand pianos, offering a precise way to tune your instrument.
- Strobe tuning
- Vertical piano tuning
- Grand piano tuning
- Precise tuning
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Strobe piano tuner for vertical and grand pianos.
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 review sentiment: GSDSP MMMm at 100% against Groovy Pianotuner's 67%. GSDSP MMMm also leads on rating (4.9 vs 4.6). 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 4.6. Both are backed by a comparable volume of ratings — 26 and 16 respectively. Written reviews point the same way: 67% of Groovy Pianotuner's written reviews are positive against 100% of GSDSP MMMm's.
| Parameter | Groovy Pianotuner | GSDSP MMMm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (26 ratings) | 4.9 (16 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 26 — better | 16 |
| 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 | 4 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Maes | Gustav Scholda |
Customer experience
Groovy Pianotuner
GSDSP MMMm
In-app purchases
Groovy Pianotuner
No in-app purchases
GSDSP MMMm
No in-app purchases
Questions
Is Groovy Pianotuner free?
Is GSDSP MMMm free?
Which has better reviews, Groovy Pianotuner or GSDSP MMMm?
Do Groovy Pianotuner or GSDSP MMMm have ads?
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