Comparison

Bluetooth Midi Keyboard vs GSDSP MMM

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

Head to head
About

Bluetooth Midi Keyboard

Transform your iPhone or iPad into a wireless MIDI keyboard. Control your favorite music software and hardware from your device using Bluetooth Low Energy. Offers customizable note settings and velocity sensitivity for expressive playing.

Highlights
  • Wireless MIDI keyboard
  • Bluetooth Low Energy MIDI
  • Selectable base note
  • Selectable number of notes
  • Velocity sensitive
Read full description

Bluetooth Midi Keyboard turns your iOS and iPadOS devices in a wireless keyboard.  Play your iOS, iPadOS, desktop or hardware BLE Midi DAWs and instruments from your iPhone and iPad. -Selectable base note. -Selectable number of notes. -Velocity sensitive. -Bluetooth Low Energy Midi. How does it works: Push connect button and in the opened view turn on the switch button. This will make your device discoverable by your Bluetooth MIDI Host, connect it from it and you will can play your MIDI Host from B.M.K.. If your MIDI Host don't support Bluetooth MIDI there are some free apps on the market that creates virtual Bluetooth MIDI Ports. B.M.K.. uses MIDI channel 1. Demo video on the developer's page.

About

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.

Highlights
  • 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
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 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

Bluetooth Midi Keyboard2 screens
GSDSP MMM4 screens

Verdict

The call

The clearest difference is rating: GSDSP MMM at 4.7 against Bluetooth Midi Keyboard's 3.0. GSDSP MMM also leads on update cadence (every 5 weeks vs every 33 months) and ratings volume (36 vs 4). On price, review sentiment, 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 MMM holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: GSDSP MMM has 36 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 67% positive.

UpkeepUpdate frequency

Bluetooth Midi Keyboard ships an update every 33 months, GSDSP MMM every 5 weeks. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Bluetooth Midi Keyboard versus GSDSP MMM: the parameters behind the verdict, then further details
ParameterBluetooth Midi KeyboardGSDSP MMM
PriceFreeFree
Rating3.0 (4 ratings)4.7 (36 ratings) — better
Positive reviews66.7% of reviews66.7% of reviews
Number of ratings436 — better
Update frequencyEvery 33 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size6 MB65 MB
Age rating4+4+
Developerpablo lopezGustav Scholda

Customer experience

Bluetooth Midi Keyboard

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

GSDSP MMM

All ratings36 ratings
Positive94.4%
Neutral0.0%
Negative5.6%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Bluetooth Midi Keyboard

No in-app purchases

None

GSDSP MMM

No in-app purchases

Questions

Is Bluetooth Midi Keyboard free?
Bluetooth Midi Keyboard is free to download, with no in-app purchases.
Is GSDSP MMM free?
GSDSP MMM is free to download, with no in-app purchases.
Which has better reviews, Bluetooth Midi Keyboard or GSDSP MMM?
GSDSP MMM is rated higher. Bluetooth Midi Keyboard averages 3.0 out of 5 from 4 ratings, while GSDSP MMM averages 4.7 from 36 ratings.
Do Bluetooth Midi Keyboard or GSDSP MMM have ads?
Neither Bluetooth Midi Keyboard nor GSDSP MMM shows ads.
Which is updated more often, Bluetooth Midi Keyboard or GSDSP MMM?
Bluetooth Midi Keyboard ships an update every 33 months, and GSDSP MMM every 5 weeks. Most recently, Bluetooth Midi Keyboard was updated on November 3, 2026 and GSDSP MMM on November 3, 2026.

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