Midiflow

MIDI Router and Processor

Published by: Johannes Doerr
Downloads
Revenue

Description

Midiflow allows you to send MIDI from app to app in a similar way to what you already do with audio. That way, you can sync apps with each other or send MIDI parts from a sequencer app to different synth apps. You can also route the MIDI from your keyboard to apps and assign different key zones to them. Different settings can be stored as a preset, recalled later and inserted into another preset. Furthermore, all MIDI transfer can be monitored in order to find problems or just to learn what MIDI is doing (normally) behind the scenes.
Important news: There is a full documentation on the Midiflow website now!
HOW DOES IT WORK?
Midiflow allows you to create multiple routings. Each routing receives MIDI data on its source and sends it to its destination. The selectable sources and destinations include your CoreMIDI compatible MIDI interface and other apps if they provide a virtual MIDI port. You can also create custom ports that can be used by other apps to receive data from Midiflow or send data to it. A routing also has a modifier which allows you to filter data or modify it. That way, you can transpose notes, limit them to a key range, change the MIDI channel of the incoming data, etc. (see the feature list below).
LIST OF FEATURES
+ MIDI clock – specify tempo and your apps will be in sync
+ Channel filtering and remapping
+ Velocity filtering – a routing is only active for notes in a given velocity range
+ Note shift – shift all notes by a given number of half-tone steps
+ Note remapping – shift each note individually
+ Velocity remapping – apply a velocity curve, transform to fixed velocity, or specify the map value by value. In the latter case, you can also export the mapping to the clipboard, edit it in another app like Apple Numbers, and paste it back in Midiflow
+ Filtering out Clock or dividing the tempo into subdivisions
+ Filtering out SysEx
+ Connect to other iPads/iPhones via Bluetooth MIDI (iOS8 or higher)
+ Save a configuration as a preset, which can be recalled later or inserted into another preset
+ Custom virtual MIDI ports, which can be selected in other apps as a source or destination
+ Control aspects of Midiflow via MIDI. For example, select presets or control the clock with any MIDI command
+ Launch your synth apps from Midiflow (works with an increasing number of apps)
+ Sharing your configurations
ADDITIONAL FEATURES (available as an In-app purchase)
+ Filtering and remapping of controllers – transform (a) the controller type, e.g. from CC1 to pitch-bend or note value to CC1, and (b) transform the value in several ways: as a linear remapping from an input range to an output range, as a curve, or as a value by value list. In the latter case, you can also export the mapping to the clipboard, edit it in another app like Apple Numbers, and paste it back in Midiflow. This allows you to create very sophisticated remappings.
+ Controller conditions – adjust your routings depending on other MIDI messages. This allows you to create sophisticated behavior within your setup by switching routings on and off.
DOES MIDIFLOW WORK WITH MY SYNTH APPS?
Midiflow works with every app that has a correct MIDI implementation. In the best case, it has an own virtual MIDI port and can be configured so that it receives MIDI only on that port. Unfortunately, some apps don't have that, but can at least be restricted to one MIDI channel. In that case, you can send to that channel on the global MIDI port "Network Session 1". If you can't select a channel either, then the app won't work with Midiflow. There is a tutorial video on www.midiflow.com that explains this in more detail.
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In-Apps

Controller Remapping
3,99 €
Controller Conditions
2,99 €
Send Controller On Load
1,99 €

Screenshots

Midiflow FAQ

  • Is Midiflow free?

    Yes, Midiflow is free to download, however it contains in-app purchases or subscription offerings.

  • Is Midiflow legit?

    🤔 The Midiflow app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.

    Thanks for the vote

  • How much does Midiflow cost?

    Midiflow has several in-app purchases/subscriptions, the average in-app price is €2.99.

  • What is Midiflow revenue?

    To get estimated revenue of Midiflow app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.

User Rating

3 out of 5

5 ratings in Italy

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Ratings History

Midiflow Reviews

Essenziale per la gestione midi su IPad

Holy Simon on

Italy

Una delle app più utili per risolvere i problemi di compatibilità midi tra le altre app e i controller. In ios14 problemi con Routing Korg Tr. Crasha quando utilizzo la Korg Tr come input

With last sw review is unusable

magoross on

Italy

Now when you stop the midi player, the notes don’t turn off. So you have to reset your external device each time. Without Midiflow in the middle, everything works properly.

Niente male

ragnotis on

Italy

L'ho preso per poter simulare il MIDI thru sulla Line 6 Midi Mobilizer II e lo fa egregiamente. Se però piloto contemporaneamente una synth app (Alchemy) e un synth esterno, su parti veloci va in affanno. Ma forse sto chiedendo troppo al mio iPhone 4...

Note off velocities are ignored

Reezekeys on

United States

The bugs I mentioned in an earlier review were resolved with an iOS update - I forget which one, it’s been a while. Midiflow has been stable for a while now, and I’ve been using it without incident. As I said then, the feature set and power this app has is great. I couldn’t do what I do without it. One perplexing omission I just discovered is its seeming inability to handle note-off velocities! As far as I can tell, they’re all turned into note-ons with vel=0. I’m OK with this although it sent me on a wild goose chase of troubleshooting that wasted a lot of time. If anyone uses note-off velocities as a modulation source for anything, you may want to look elsewhere - unless Johannes addresses this with an update. He is still unreachable, as far as I can tell. The forum is dead - and the “feedback” button on the top left of the UI (described in the documentation) is gone! It almost seems he doesn’t want to be bothered! Speaking only for myself - the app is working fine (for now) and I’m gonna stick with it as long as it works on my iPad and iPhone. I can’t help feeling a little nervous about the lack of support.

Where is the return button!!!

Will rocks on

United States

I bought this app with high hopes and it can do the simplest thing which is to go back to the previous page….??!!! Do not waste your money I want a f..ing refund!!!

This app looks abandoned, and for me, buggy

Reezekeys on

United States

I want to be nice because I know these i-apps are not big money makers for smaller developers. Midiflow has (imo) a fantastic feature set, and once you get to know how it’s organized, it’s pretty easy and quick to set up a patch for very detailed and complicated scenarios. I bought the app, then paid for all the IAPs. I should have checked here and on his forum first. Johannes seems to have abandoned this program. When it works, it’s great, but it’s unstable. It crashes a lot, right after I edit a song. I save the song (overwrite), switch to another song, crash - and when I go back to the song I was editing, all the edits I made before saving it are gone! Make the edits again, save (overwrite), then save an extra copy (with a different name) as a backup. Switch songs, crash. Once again my edits are gone, AND the backup song I saved is gone too! To say this is extremely frustrating is an understatement! I know this isn’t the place for bug reports but as someone else mentioned, Johannes’s forum is locked and the most recent post there is over a year old as of this writing. I got an automated response to an email I tried sending to the admin of his forum saying “we don’t respond to emails, ask on the forum”, lol. The last update to this program is a year ago. All this to say I’m disappointed that I can’t recommend this app, as great as the features are. I play music for a living and was hoping to take this and my iPad on stage with me. I’m honestly not sure what I’m gonna do. Things do seem to be working when I’m not trying to save songs, and I already have many hours invested learning the app and programming the presets for the gig I’m doing. More stress testing I guess, once I have the programming finished. I probably shouldn’t update my iPad’s OS now, no telling what will happen!

Useful, but no support

jwsfamily on

United States

Good set of features for managing your MIDI chain on IOS, but if you run into a bug or have a question there is no response, and the community forum is locked

iphone version can’t use

endrollex1 on

United States

IOS14 iPhone11, no back to main button, can’t return parent menu, such as edit name, change velocity…

Force closes when I try to remap

whoinvitedthevegan on

United States

Sad that I paid for the app annnnd the remapping function Please fix as this is really the only reason I bought this

Pricing too complicated, does not work with AUM

Bonanote52 on

United States

The title says it all. You get the app then you have to start buying all the bits and pieces individually, and you really don't know which ones you need because info is very cryptic written for engineers not musicians. Additionally it does not work inside AUM.... or at least I did not find a way of making it show. A true pity because it should be a very useful app..... Great idea, poor implementation. It happens frequently when you fall in love with coding and do not listen or check your software with the end users.

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63
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179
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245
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273
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325

Keywords

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