Currently the Complete package only allows for a single Android/iOS app. I'd like to see the option of purchasing an app for sub-sites as well.
ie. Parent site - 1 app /w complete package billing
SubSite01 - 1 app /w add-on monthly charge (a la carte)
SubSite02 - 1 app /w add-on monthly charge (a la carte)
Subsite03 - No app needed
I have also inquired whether it is possible to get more than one app. This would be very beneficial.