MIDIx vs MBR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDIx
This app uses physics simulations to generate expressive MIDI data. Control parameters through object movement or create generative note sequences. It's a unique tool for musicians seeking organic and evolving soundscapes.
- Physics-driven MIDI CC generation
- Generative MIDI note sequencing
- AUv3 plugin support
- Customizable physics scenes
- Built-in scale library
- Real-time modulation
- Universal app for iOS and Mac
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MIDIx brings a new dimension to MIDI control. Instead of programming sequences or drawing automation, you let physics do the work. Objects bounce, fall, orbit, and collide — and every movement becomes expressive MIDI data in real time. MIDIx is a universal app for iPhone, iPad and Mac, and supports AUv3 so you can use it as a plugin directly in your favorite host. Organic CC Controller The CC page gives you 8 independent physics scenes, each generating two MIDI CC values — X and Y — from the motion of a physical object, for up to 16 simultaneous CC streams. Each axis maps directly to its CC value, creating smooth, organic modulation that no LFO can replicate. Each output can be assigned to any MIDI CC parameter — or to a parameter of another scene, enabling complex modulation chains where one physics engine drives the behavior of another. Hit Freeze to instantly hold the current motion in place, perfect for locking in a value during a performance. Generative MIDI Sequencer The Notes page transforms physics into melody. Add as many objects as you want to the scene — each one bounces freely and triggers a MIDI note every time it hits the wall. Shape the motion with additional objects — Static, Bumper, Planet, and Repulsor — to create richer, more unpredictable interactions. Build evolving, generative patterns that shift organically over time. No two performances are ever the same. Define your harmonic space and select individual notes to craft any scale you need. Tap Scale Library to instantly load a preset scale: Major, Minor, Pentatonic, and many more. Features: • 8 physics scenes generating up to 16 MIDI CC streams (X and Y per scene) • Generative MIDI note sequencer with unlimited objects • Continuous or Trigger play mode, adjustable update frequency • Freeze button to instantly hold the current motion • Adjustable min/max range per scene to fine-tune CC output • Assign any CC or scene parameter as a modulation source • Static, Bumper, Planet, and Repulsor objects for richer motion • Built-in Scale Library with custom scale editing • Adjustable root note, base octave, octave count, and note duration • Notes custom mode (select the notes you want) • Preset import & export • Randomizer • Undo support • Built-in user guide • Background audio support • Full MIDI support & MIDI Mapping • Full AUv3 support — standalone or as a plugin in your favorite host • Universal app for iPhone, iPad, and Mac Questions or feedback? We'd love to hear from you: contact@fingerlab.net Stay tuned! The Fingerlab Team
MBR
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MBR-01 is an expressive polyphonic synthesizer you play by touch. No keys, no menus to get lost in — just a living surface that responds to where and how you press. Slide across the XY pad to bend pitch and open the filter at once. The instrument is locked to the scale you choose, so every note lands in key: explore freely without ever playing a wrong note. SIX VOICES, ONE EXPRESSIVE SURFACE • 6-voice polyphony with glide • Morphing oscillator (sine → triangle → saw → square) plus a sub • Resonant ladder filter with its own range control • Full ADSR envelope ARPEGGIATOR • Up, Down, Up/Down and Random modes • Tempo with tap, adjustable divisions and octave range • Hold to let chords ring LIVE FX RACK • Drive, bitcrusher, ring modulator, pitch shifter, phaser and chorus • Delay, reverb and glide for space and movement • Toggle and tweak everything while you play 31 SCALES From major and minor to whole tone, diminished and blues — through Hirajoshi, Iwato, Kumoi, Pelog, Bhairav, Marwa and more. Set the root and octave range and the whole surface re-tunes. PRESETS A curated library across Bass, Leads, Plucks, Pads and FX — plus save your own. Each preset carries its own reactive visual style. REACTIVE VISUALS A Metal-powered visualizer reacts to your playing in real time, with external display output for performance and visuals. MIDI OUT Send what you play to hardware synths or other apps over Core MIDI, with channel selection. BILINGUAL Full English and Spanish, switchable inside the app at any time. Built for iPad and iPhone. No account, no data collection — just sound.
Screenshots
Verdict
The clearest difference is price: MBR at $4.99 against MIDIx's $8.99. MIDIx's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement 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
MIDIx costs $8.99 and MBR $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | MIDIx | MBR |
|---|---|---|
| Price | $8.99 | $4.99 — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 17 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Fingerlab | Cristopher Alejandro Yescas Arreola |
In-app purchases
MIDIx
No in-app purchases
MBR
No in-app purchases









