Musk MIDI Keyboard vs MPC Progression Builder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Musk MIDI Keyboard
This app functions as a virtual MIDI keyboard with expandable sound libraries. It allows users to play notes, send and receive MIDI data to other apps or hardware, and customize instrument sounds and channels. It supports various import methods for sound fonts and integrates with other music production tools.
- Multi-touch keyboard (8 octaves)
- Import custom sound libraries (sf2, dls, exs)
- Send/receive MIDI notes to/from other apps/hardware
- Audio Unit Extension support
- Network-MIDI (WiFi) and Bluetooth MIDI
- Channel highlighting and pitch class speaking
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Musk MIDI Keyboard: Your expandable MIDI keyboard! * Use the included General MIDI sound font or import your own sound libraries * Play on the multi-touch keyboard (8 octaves) * Send notes to other MIDI apps or keyboards * Receive notes from external MIDI sources * Use installed Sounds in other apps using the built-in Audio Unit Extension. * Track MIDI notes and channels on the keyboard * Load sound libraries and change MIDI channels to different sounds * Highlight individual channels visually and acoustically * Let the app speak the pitch class (pitch class ) of the notes (C = 0 , C # = 1, ..., H = 11) in your own language. (Requires the iOS 7 voices) The following MIDI sources and targets are supported and can be individually turned on and off: * Network-MIDI (WiFi) : So you can connect the app to other devices (eg. Mac, iPhone, iPad) * MIDI devices: you can connect your devices via Camera Connection Kit and USB-MIDI (e.g. a MIDI keyboard) * Core MIDI-enabled apps : You can, for example, display the notes of a MIDI player and use the sounds of other apps. * MIDI via Bluetooth (iOS8) * Experimental MIDI via Gamekit support. Full Core-MIDI support: * Other apps publish their MIDI input and output ports: you activate the connection in this app. Active connections are reestablished, if possible, at app restart. * This app publishes a MIDI input and output: you activate the link in another app or the other app automatically activates the connection. Setting and filter adjustment options (per channel): * Show notes * Hear notes * Instrument sound * Instrument and voice volume * Accepting program and volume change commands (via MIDI input) Import of sound libraries via: * ITunes: transmission via Mac or PC * ICloud: synchronizes the data on all your Apple devices. (Network connection required) * Other Apps from the manufacturer this app: All of his apps access to the same iCloud directory. (No network connection required) * Safari: search for a website that offers SoundFonts. Click on the file. Wait until it is downloaded. Then select this app in the "Open In" dialog. * Mail: Select the attachment and select this app in the "Open In" dialog. * Other apps: use the "Open In" dialog. (Dropbox, Google Drive, SkyDrive) Supported file formats and extensions: * Sound fonts (sf2) * Downloadable Sounds (dls) * Logic Pro EXS-24 instrument Files (exs) * Audio Unit Presets (aupreset) * Zip files (zip) Inter-App-Audio, AudioBus 3 and Audio Unit support: You can use the audio output of the app in other apps: * Record a MIDI performance in Garageband, AudioShare or other apps. * Add sound effects in GarageBand, VoiceSynth or other apps. * Use a sound font as an Audio Unit in a host app. (Experimental) Limitations: * Speech output can not be sent to other apps. * Playing many notes per second can push older devices to their limits. When you hear a scraping noise, try terminating other apps. Have fun!
MPC Progression Builder
Create and export musical chord progressions for your music production workflow. Features include keyboard, scale-based, and circle of fifths modes for building and refining harmonic ideas. Export directly to MPC devices or as standard MIDI files for use in any DAW.
- Virtual keyboard for direct chord input
- Build progressions with up to 16 chords
- Scale-based chord suggestions
- Circle of Fifths progression builder
- MPC-ready .progression file export
- Standard MIDI file export
- Instant playback and auditioning
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Progression Builder for MPC is a powerful yet intuitive tool for producers who want to build rich, musical chord progressions and send them straight into their workflow. Designed with AKAI MPC users in mind, it also exports to standard MIDI files, making it equally useful for DAW producers, composers, and beatmakers alike. Build your progressions your way: - Keyboard Mode: Tap out chords directly on the built-in virtual keyboard and hear them instantly. - Progression Builder: Arrange up to 16 chords into full progressions you can audition, refine, and export. - Scale-Based Mode: Explore chords that naturally fit your chosen scale — perfect for clean harmonic flow. - Circle of Fifths Mode: Craft progressions using classic relationships that sound balanced and musical. Every chord pad can be customized, rearranged, or saved for later — giving you a flexible sketchpad for harmonic ideas. Whether you’re working on a soulful lo-fi loop, a jazz-inspired sequence, or a cinematic score, Progression Builder for MPC helps you find the right chords fast. Export your ideas with ease: - MPC-Ready Export: Generate .progression files compatible with MPC Live, X, One, and Force. - MIDI Export: Drop your chords into any DAW, sampler, or synth. - Instant Playback: Audition and tweak voicings, inversions, and timing before you export. - Clean, efficient, and tuned for real production environments, Progression Builder for MPC bridges the gap between music theory and creative flow — helping you stay in the zone.
Screenshots
Verdict
The clearest difference is rating: MPC Progression Builder at 5.0 against Musk MIDI Keyboard's 3.0. Musk MIDI Keyboard's advantage is price ($1.99 vs $2.99) and iOS requirement (14.0 vs 16.0). On ratings volume, 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
Musk MIDI Keyboard costs $1.99 and MPC Progression Builder $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MPC Progression Builder holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
| Parameter | Musk MIDI Keyboard | MPC Progression Builder |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Dr. Garbers Softwareentwicklung | David Jones |
Customer experience
Musk MIDI Keyboard
MPC Progression Builder
In-app purchases
Musk MIDI Keyboard
No in-app purchases
MPC Progression Builder
No in-app purchases
Questions
Is Musk MIDI Keyboard free?
Is MPC Progression Builder free?
Which has better reviews, Musk MIDI Keyboard or MPC Progression Builder?
Do Musk MIDI Keyboard or MPC Progression Builder have ads?
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