@mike I would definitely recommend that you look at Xcode in the meantime. The Interface Builder is quite good and depending on the complexity of your app (big if) I imagine it wouldn’t be too difficult to get a prototype up and running within a day, maybe a couple more if you’re going to be learning Swift at the same time.
I also want to emphasize that right now there is no iOS build server (other than the prototype that builds the companion app). Because our mission is focused on education, the companion app has been our priority so that teachers can use it in their classrooms alongside people using the companion app on Android. I do have an idea for a quick and dirty solution to the build problem, but it’ll take me a little time to put a proof of concept together.