Free and cheap messaging apps from WhatsApp to Skype have exploded globally, but how do they make money? Voxer, maker of a free walkie-talkie app, has taken the novel approach of creating a paid
version, according to AllThingsD. Voxer Pro, a $2.99 upgrade, will provide “extreme notifications” that escalate if someone doesn’t pick up, and a $4.95 option for companies that
includes and admin panel.
Read the whole story at All Things D »
