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.Download on the App Store
Audiobus is the app that makes the rest of your setup better.
OT: sonicLab's Cosmosf plugin for MacOS and Windows
By popular demand, I'm starting this thread about Cosmosf Saturn8.1, which I just started using and know practically nothing about. After watching Hainbach's Fundamental demo, I visited sonicLab's web site, and Cosmosf appealed to me much more
To answer some initial questions, yes, there's a 63-page manual whose download location I've already forgotten, so I'm attaching a copy to this post.
Yes, there are tutorials, which I've downloaded here and am working through them now, though with limited time. The first video was truly helpful, as he walks you through the interface's most basic functions. The plugin seems reasonable enough to work through, but its some of its buttons' functions are un-obvious, so it helped to watch where he clicked. For example, when loading a preset. That first tutorial uses Logic Pro, and I've tried it in both REAPER and Logic. Logic provides its own way to select presets, but then the preset display doesn't match what's displayed on the plugin's interface. The interface's elements are so small and there's no re-sizing so that I have to change my computer's resolution to use the plugin. I normally use my 16" MBP's raw mode (3072x1920), which not many people use I don't think. At 2048x1280, UI elements are small, but OK. These are all small quirks that are easy enough to get used to.
The plugin isn't cheap, and it uses iLok with a limit of two concurrent activations, but since I already have iLok (under protest), that wasn't a big deal for me.
Most importantly, clicking through a few presets, doing stuff from the first tutorial, and just trying things out on the interface gave some really good sounds, so I'm confident it's worth the price. It will be interesting to see what it does under live MIDI control and how it will mangle user samples.