Midi Designer Pro 2 Update
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midi designer customized midi controller app for iPad and iPhone

MIDI Designer Pro 2 version 2.96 is a huge step forward for our most advanced users. We’re introducing the Stream Byter Plugin by Audeonic. The Plugin provides MIDI manipulation in two places: before MIDI Designer processes the MIDI, and before the MIDI produced by MIDI Designer gets sent to a Wi-Fi, Bluetooth, Virtual or Hardware target via CoreMIDI.

Stream Byter was initially released in May ’13 as a way to extend MidiBridge 1.5 ‘out in the field’ for customers and has been continuously improved since then. The Stream Byter in Midi Designer is the ‘Stream Byter II’ version that exists in Audeonic’s MidiFire app (iOS/macOS).

What does Stream Byter do? It allows you to make custom MIDI processing modules that you design yourself using a concise programming language made up of rules. There are simple rules for matching and transforming MIDI events and more complex rules for writing modules that behave conditionally, set/examine variables, perform math/timing operations, and of course, generate MIDI messages.

Here is a very simple case: you are playing a keyboard and you decide that you want to turn a single knob (“reverb,” for instance). The higher (to the right) you go on the keyboard, the louder the reverb gets.

That’s a single line match/transform Stream Byter Input rule:

9X = BX 5B X2

The above rule can be summarized as follows: For every note event received, set the value of the ‘reverb’ controller number (on same channel as note) to the MIDI note number of the note.

Rules can be joined. Imagine you want to toggle the value of another knob from top to bottom every time you hit an A3 on the keyboard, but you don’t want the message to go out for 10 seconds? That’s another rule. Generally rules do one or more of these things, and often combine them:

* decompose and recompose longer MIDI messages
* filter MIDI messages
* transform MIDI messages
* produce more MIDI messages

The first case, decompose MIDI messages, will be useful for parsing incoming sysex dumps for hardware synths that produce parseable sysex dumps for patches.

Writing Stream Byter rules does require knowledge of the MIDI protocol and how to construct rules correctly. There is an introductory tutorial on the Audeonic site and the full Stream Byter manual is available there too. There is also a dedicated section to the Stream Byter on the Audeonic forum. Midi Designer customers are welcome to post questions or requirements there where the developer and other Stream Byter users will help out.

Stream Byter input and output rules are saved and shared with your layout. Any MIDI Designer Pro 2 user may open a layout with rules someone else has authored free of charge. There’s an in-app purchase to author or edit Stream Byter rules. This IAP will be available upon release of MIDI Designer Pro 2.96. It will be priced at $1.99 for the first three months, and then return to its normal price of $8.99. See midiDR.com/streambyter for instructions and information.

In addition to the Stream Byter Plugin, Version 2.96 provides Slow Reset to Default. When a supercontrol button is set to “Reset to Default,” it can now also snap the subcontrol to its value over time. This gives you a slow reset and a precursor of what’s to come with presets.

Get Midi Designer Pro 2 here http://mididesigner.com/

Senode Update Adds New Features
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SENODE – GRAPHICAL STEP SEQUENCER – SENODE is a new music composition app for iPad. It extends the concept of linear step sequencers to a graph with unlimited directions and instruments. The simple “finite state machine” model allows you to create complex polyphonic sequences and play them in real-time!

1.0.3 Sep 22, 2018

– new emitter settings panel
– added MIDI bindings for emitter actions
– added generic MIDI CC bindings for synth and clock control
– added support for Bluetooth LE MIDI devices
– improved MIDI device selection
– performance and stability improvement


The core of Senode is a graph of Nodes connected by Edges. You decide if it behaves like a simple vending machine or a complex pinball game. Each Node triggers a sound when activated, while Edges determine the direction of travel. Instruments are controlled by Emitters which send their Tokens onto the graph. That means, you can compose a generative music piece for a whole orchestra using the graph notation and a couple of Emitters! It gets more interesting if you add random directions or emit multiple Tokens at different time positions.


You can compose and perform your music live using the intuitive multi-touch interface. The on-screen keyboard helps you to visualize and edit notes assigned to the currently selected Node. Drag and connect Nodes with multiple fingers or use the lasso tool. Activate a sequence by sending Tokens onto the graph. Use your fingers to step through sequences manually or tap the master clock. All synth parameters are accessible from the main panel with multi-touch as well.


Each Emitter contains a simple but powerful subtractive synthesizer with main OSC (sine, saw, square), sub OSC (sine), 1-pole lowpass filter, stereo reverb and ADSR envelope. Try the demo patches to get inspired!


Use a drum kit, wearable sensors or any other MIDI device to control the steps of Senode. Enjoy the unique experience of being your own master clock!


Senode is the perfect sequencer for all MIDI-capable apps. If you connect a MIDI interface, you can even control your hardware synths with the app.


Use the step record function to create new nodes on the fly, either from single notes or with chord detection. For advanced compositions, we recommend to connect a MIDI keyboard via lightning adapter and capture your song ideas as you play.


Senode is made for live music performance. There are no default “beats” or “bars” and all actions are performed in real time. However, Tokens can be quantized to a master clock (16th resolution) and support catch-up, which means you can hit all functions like a drummer “on the spot” and stay in sync, even if you’re too early or a little late. By the way, the really cool stuff will happen if you break free from 4/4 bar schemes, start your sequences on off-beat timings or create crazy polyrhythmic cycles…


– innovative non-linear graphical sequencer with draggable multi-touch interface
– integrated polyphonic synthesizer with sine wave, square, saw and noise oscillators, ADSR, filter, reverb
– unlimited number of steps and directions: cycles, randomized, one-shot
– real-time sequencer control with master clock and catch-up quantization
– full MIDI binding support for all sequencer operations like step, emit, tick, trigger or clear
– support for single notes or chords with velocity, legato or fixed-length notes
– chord detection, hold and replace modes
– transpose and clock divide functions
– polyphonic traversal with unlimited number of tokens and different instruments on the same graph
– quickly record nodes or chords via on-screen keybard or MIDI input
– control other music apps or external gear via MIDI
– comes with tutorial and example patches that you can instantly play

Get Senode

Yuri Turov Xynthesizr Update
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iOS Midi sequencer

Xynthesizr is a streamlined yet capable 32-step matrix sequencer/monotimbral synthesizer with generative features and MIDI.

Version History

Sep 21, 2018 Version 1.6

– Reworked Inter-App Audio sync
– Ableton Link Start Stop Sync support
– Updated Audiobus SDK to 3.0.5
– Fixed song and preset sorting order issue with iOS 11
– Reworked song, preset and recording export UI
– Updated UI for iPhone X, 10.5” and 12.9” iPads
– Other tweaks and bug fixes

iOS MIDI sequencer

Create patterns and modify them in real time, or let Xynthesizr do it for you using its morphing algorithms. Change scale and key, or transpose within a scale on-the-fly. Tweak parameters of the internal synthesizer or output MIDI to your favorite apps and devices. Record and share your creations.

General features:
◦ MIDI support for syncing and sending notes to synths, samplers and drum machines
◦ Notes to MIDI channel mapping for driving multiple apps or devices simultaneously
◦ MIDI input to control transposition with note messages and synthesizer/sequencer parameters with CC messages
◦ Ableton Link support
◦ Audiobus 3 support
◦ Inter-App Audio support
◦ 40+ bundled presets
◦ Save, export and import your own patterns and presets
◦ Record and export audio

Sequencer features:
◦ Gestures to easily edit patterns on-the-fly
◦ [Conway’s Game of] Life-like cellular automata and probability-based pattern morphing
◦ Limit pattern morphing to a selected area of the grid
◦ Variable tempo, step length subdivision and pattern length
◦ Variable velocity per step
◦ Selectable keys and scales with ability to transpose in real time
◦ An option to tie consecutive notes of same pitch to make longer notes
◦ Shift and flip patterns
◦ Create and use your own scales and Life-like cellular automata rules
◦ Color-coded octaves

Synthesizer and FX feature:
◦ 32-bit floating point sound engine
◦ 16 voice polyphony
◦ 2 antialiased oscillators per voice
◦ 4 waveforms (sine, triangle, sawtooth, square)
◦ 4-pole (24 dB/oct) low-pass resonant filter
◦ 2 ADSR envelope generators (amplitude and filter cutoff frequency)
◦ 2 LFOs to modulate 4 selectable LFO targets (filter frequency, pitch, amplitude, second oscillator detune)
◦ Stereo delay, reverb and randomized panner

Get Xynthesizer

RouteMIDI Audio Unit
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Route midi to external gear in Garageband with RouteMIDI

RouteMIDI, in conjunction with a DAW such as Garageband, will allow you to create tracks that will use any of your external MIDI synthesizers for that track, as alternate to instruments etc. built into the DAW. Use external MIDI gear with Garageband and this app!

Use external midi gear with Garageband

For each track that you select RouteMIDI as it’s Audio Unit, you will be able to browse through whatever external devices are connected. Then, you may optionally direct the MIDI to any of the standard 16 Channels so that Multi-Timbral units are supported.

Get RouteMIDI

Ribn 2 Midi Controller
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Ribn is a MIDI controller with 8 assignable ribbons. What makes Ribn unique is its ability to record and loop your finger movement. This allows you to add organic repeating modulation to your synths and effects, kind of like complex LFOs. You can assign a unique MIDI channel and CC# to each ribbon. As long as your gear responds to MIDI CC messages you will be able to control it with Ribn.

Version History
Sep 4, 2018 Version 2.0

• Add names to your ribbons
• Toggle looping per ribbon
• Choose any number of ribbons between 1 and 8
• Full screen mode
• Switch between 3 sets of configurations using presets
• MIDI works in the background
• iPad landscape mode
• iOS 10 support
• Select multiple MIDI outputs
• Bluetooth pairing from within the app

• 8 MIDI CC ribbon pads
• Add modulation to your MIDI hardware synths, effects, eurorack modulars, drum machines, etc.
• Configurable MIDI channel and CC# per ribbon
• You can name each ribbon to help you identify what parameter it’s controlling
• Turn off looping on individual ribbons to turn them into regular sliders
• Choose any number of ribbons between 1 and 8
• Full screen mode (removes navigation bar to help you focus)
• Switch between 3 sets of configurations using presets
• MIDI sending works while the app is in the background
• iPad landscape mode
• Select multiple MIDI outputs
• Ribbons record and loop your finger movement
• Use a wired MIDI interface, Bluetooth or Wi-Fi
• All settings are saved automatically
• Works with external hardware as well as other iOS synths
• Works on iPhone (including iPhone X) and iPad starting with iOS 10

• Control hardware MIDI synths parameters like the filter cutoff frequency, resonance, oscillator octave, etc.
• Control any soft synth in Ableton Live (or your favorite DAW) by connecting your iOS device to your Mac via Wi-Fi and choosing “Session 1” as the MIDI output in Ribn.
• Control your Eurorack modules by running Ribn through a MIDI to CV converter.
• Control other iOS synths like the Moog Model 15 or Arturia iSEM.
• Control drum machines and effects. For example, try controlling the room size of a reverb effect unit with a looping ribbon or the snappiness of a snare drum on a drum machine. The possibilities are endless.
• Daisy chain your MIDI hardware using MIDI Thru ports and assign each ribbon to a different MIDI channel. This way you can control more than one piece of hardware at a time. For example, you can assign the first 4 ribbons to a synth and the last 4 to an effect unit.

• Connect your MIDI gear (like a synth) to your iOS device using a MIDI interface (wired or bluetooth)
• Launch Ribn and select your MIDI interface in the settings page.
• Find out which CC# and MIDI channel your gear responds to (usually at the end of the manual) and enter this information in RIbn’s edit view.
• Slide your finger on a ribbon to send CC values and control the parameters on your MIDI gear.

• MIDI is just the way electronic musical instruments talk to each other.
• CC (Continuous Controller) is just a way to control various parameters using MIDI. For example, a synth’s filter cutoff frequency can be controlled using a MIDI CC signal.

** NOTE **
• Ribn is a MIDI controller and doesn’t produce any sounds. To use Ribn you must connect it to a device that responds to MIDI CC signals (check your gear’s manual to be sure).
• Ribn doesn’t send note data, it only sends CC signals (you can’t play melodies with it, but you can control various parameters like synthesizer filters, or effects settings).
• To connect your iOS device to MIDI gear you will need to buy a MIDI interface. A MIDI interface typically connects to your iOS lightning port and provides standard MIDI DIN ports to connect to your hardware. There are also bluetooth MIDI interfaces that connect wirelessly. Alternatively, you can connect to your Mac over Wi-Fi and control software synths that way. This setup is a little more complex but totally doable (I’ve tested controlling Ableton Live plugins over Wi-Fi with Ribn and it worked perfectly).
• Audiobus and AUv3 are not supported at this time. However, you can still control other iOS synths by routing the internal MIDI ports and having Ribn run in the background.

Get Ribn


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  • iPad Loops is a music app blog dedicated to exposing the best iPad apps for iOS musicians, producers, and Djs. This is not a database of every app. It is, however, one of useful recommendations from someone with many years in music production. I try to update it on a daily basis (ok sometimes every two days) and I do my best to post useful apps only. My name is Jason Donnelly (Dj Puzzle). You might know me from my royalty free loop packs and sound design. Some of the apps that contain my loops are Retronyms AudioCopy, LP-5, iPRO.DJSAMPLER, Looptastic, and Audio Elements. My work is published by Magix Soundtrack Loops, Sample Logic, Pakotec, Loopmasters, Acoustica, Xmix, Sound Trends, and many more. Subscribe to our RSS feed below to get updated when new apps are posted.


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