@numericcitizen I'm using Doppler, which is on both Mac and iOS and there is an app for transferring files. I think Ed is working on integrating the transfer into the apps.
@issimonwoods Oh, cool! Thanks, seems a much better option than Documents from Readdle. Will look into this!
@numericcitizen Sure thing. Quick note: the transfer only goes from Mac to iOS.
A couple of other options, if you haven't tried them: