BETHESDA, MD: Playmaker Systems has launched a mobile app to provide guidance on communications strategy.

The app, called Playcaller, accompanies the firm's Influence Decision System, a framework whose second version was released Monday. The system helps PR, marketing, sales, political, and military and intelligence professionals identify the communications strategies behind messages, programs, and campaigns.

Users can purchase the app on the iPhone or iPad for 99 cents, or $4.99 for the pro version. The app then takes users through a ...