Square Meeting AC+ app for iPhone and iPad

Square Meeting AC+ is a audio conference service withscreen sharing and helps you communicate more clearly.
 
You can start a audio conference quickly and conveniently from the same contacts as your mobile. 

During a audio conference, you can check at a glance active speaker and participants. And you can invite additional attendees.

You can share your mobile and PC screen. It is also possible to use writing and pointer.
(Screen sharing of iOS users is not supported.)
 
Works perfectly not only on PC(Window, Mac OS) but also on Mobile(Android, iOS) as well.