MIDI MACHINE is made and published by Niklas Koellner. AppBrain is an independent app data site and isn't affiliated with Niklas Koellner. The app name, icon, screenshots and description belong to Niklas Koellner and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- August 20, 2026
- Size
- 52.2 MB
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Store listing
By Niklas Koellner, from the App StoreDescription by Niklas Koellner Written by the developer, not by AppBrain. Click to read.
At the heart of MIDI MACHINE are two creative states: SPARK and STRUCTURE.
SPARK mode is all about discovery—rapidly generating fresh melodic ideas and happy accidents. 17 randomized melodic rows drawn from an vast internal library, everything is locked to your chosen key. Each melody is sliced into 10 playable parts, letting you remix and reshape ideas in real time without ever hitting a creative wall.
STRUCTURE mode lets you compose and perform with intention and move seamlessly between key pairs to trigger chords. Additionally, genre-based chord-progression suggestions form a real progression from a selected genre, so you can play a coherent sequence.
This mode is designed to serve users with and without knowledge of music theory.
"Super inspiring tool for sketching melodies quickly, whether you’re in the studio or on the move with a minimal setup. You just start playing around and happy accidents happen." — early user feedback
Core Features
* 17 MIDI melody rows per set, automatically harmonized to your chosen key
* Each melody split into 10 playable tiles for real-time triggering of your favorite sounds
* SPARK mode for instant idea generation and exploration
* STRUCTURE mode for fixed chords mapped across key pairs, built in arpeggiator and chord group suggestions
* Keep randomizing to generate endless new melodic combinations while keeping your settings
* SAVE and recall full sets, including patterns, tempo, and performance modes
(SPARK)
* Note mode: trigger melodic sequences step-by-step
* Chord mode: play full harmonies instantly
* Loop ON / OFF: continuously cycle note sequences
* Hold OFF: slide across tiles for fluid, continuous runs
* Hold ON: trigger full sequences with a single tap
* Repeat ON / OFF: retrigger tiles rhythmically (1/4 to 1/64) for pattern creation
* Fixed velocity option for consistent dynamics
* Edit individual tile MIDI sequences
* Reverse entire rows
* Octave shift up or down
* Double or halve playback speed (Note mode)
(STRUCTURE)
* Group: Genre-based chord-progression suggestions. Highlights/labels tiles on the grid that form a real progression from the selected genre.
* Arp: Turns a held chord into a rolling sequence of individual notes.
• Style – 16 note-order patterns (Up, Down, Converge, Pinky Up, Random, etc.).
• Rate – Speed of each note: 1/4 to 1/64, relative to BPM.
• Groove – Straight (default) or Swing 8/16/32 for a more human rhythmic feel.
* Hold OFF: slide across tiles for fluid, continuous runs
* Hold ON: trigger full sequences with a single tap
* Add automatic Bass Note to each chord
* Repeat ON / OFF: retrigger tiles rhythmically (1/4 to 1/64) for pattern creation
* Fixed velocity option for consistent dynamics
Performance Controls
* Global pitch shift in semitones for instant transposition of the entire set
* Adjustable BPM with tap tempo and fine control
* Flexible visible row count (5–17) for compact or expanded layouts
* Scrollable row view with FIRST ROW selection
MIDI MACHINE is built for musicians who want a different approach to creating ideas—fast, intuitive, and a little unpredictable. Whether you're sketching melodies or experimenting with generative patterns, it keeps everything playful, unique, and fun."
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 52.2 MB
- Content rating
- Everyone
Technologies used by MIDI MACHINE
Releases
Updates seen on the App Store- Version
- 1.0.2 (4)
- Launched
- August 2026
No changelog data
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About the app and developer
About MIDI MACHINE
MIDI MACHINE is a music app developed by Niklas Koellner.
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App Information
MIDI MACHINE is freely available from the App Store. The app size is 52.25 MB. The latest version available is 1.0.2 (4). The last update was on August 20, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2026.
Developer information for Niklas Koellner
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