Doesnt Support all Swann Security Models

I recently installed two separate 4 channel security systems in our building. Both made by Swann, and both boasting their remote viewing capability on your mobile device. Only trouble is this app only supports one of the two units. When I entered all of the mobile information for the slightly older model it tells me to purchase a different app for viewing, (MEyePro). Not sure why Swann Communication wouldnt be supporting their own systems???

OC21 about SwannView, vv1.0.0