When Apple enabled in-app purchases for iPhone applications, it seemed as though the days of “free” and “paid” versions of any given app were coming to an end. Soon, I thought, everything in the store would start out free as a teaser and then charge for an upgrade. That hasn’t exactly panned out universally, but Vlingo’s new voice application does charge in the way I thought all apps would charge by now. You can download it for free, but getting to the premium features costs $10. Vlingo is a speech-to-text app that can use that text in any of six general ways.
