Boku and Zong are systems that allow users of PC browser based applications to place charges to their phone bills – sometimes called “Bill to my Mobile Number”.
Bango is focussed on collecting payments from applications running on a mobile device – typically with a mobile operator connection from that device.
Bango technology and our direct carrier relationships enable us to provide a superior user experience which delivers more sales.
Here is a slide which shows (in a “gamer friendly way”) why Bango is better on mobile: