Audiobus: Use your music apps together.

What is Audiobus?Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.

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Audiobus is the app that makes the rest of your setup better.

MIDI connection between two iPads : I tried a few setups, what works best for you ?

I ‘m looking for the best MIDI connection between 2 iPads., so I’m asking users who are used to do it, the pros and the cons, because I tried a few but nothing satisfies me so far. Yet I’ve got fiber and my wifi speeds like a Formula 1... But even with a dedicated private network, I’ve got way more lag and sync issues than with Bluetooth. Plus I prefer not using a Mac. So here’s the kind of setup :
- a MIDI app on iPad 1 (Xequence, Polyphase, Gestrument, LK...) controlling apps on iPad 2 (AUM, AB3, Gadget....).
I tested Bluetooth, it works but the synchronization is bad. Even with midi utilities like Apollo or midimittr.
- It seems that the best solution is midi over USB. But all the topics I red were about iPad to Live.
So, if you have a solid configuration where your iPads can talk to each other, to your gears, using a Mac, hub and cable or not, I would be more than happy to benefit from your experience !
Thank you !
PS : please no iConnectivity involved !


  • wimwim
    edited September 2020

    WiFi simply won’t work well enough in my experience, and I know a lot about WiFi optimization. There is no USB to USB solution. So, if Bluetooth, iConnectivity and a Mac host are ruled out, that leaves Ethernet, or a midi capable interface on each end. Ethernet I’ve not tied, but have always been curious whether it would work well or not.

    So, as far as I know, two Midi capable, Class compliant interfaces is the only way to go unless you have an Ethernet switch (or maybe a crossover cable) and a couple of USB Ethernet adapters and are willing to do some experimenting.

    With Ethernet you may also need a bridge app like MidiFire because even though most apps “see” the network connection, relatively few can actually initiate it. But, if you’ve experimented with midi over WiFi then you probably already know that.

  • Just like wim said, WiFi is simply not reliable enough for time sensitive things. BT is much better but far from ideal. I'm using BT only for non time sensitive stuff (Lemur controllers) and iCM4+ for everything else. My experience with iC is a mixed bag, not sure if I would recommend them but that's seem to be best solution (FWIW, mio series seem to be more reliable). Cross connecting two midi interfaces, depending on required port count could end up with way too many cables but if 1 port (16 channels) is enough than it's not too bad/expensive. (avoid the cheapest usb-midi interfaces, they tend to mess up notes across channels)

  • when both iPads (in my case an Android phone and an iPad Pro) run Lemur, the connection between the two devices can be done inside Lemur. From Lemur, the MIDI data can easily be routed to the destination app.

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