MTV gets second-screen fever as WatchWith iPhone app goes live

App encourages fans to tweet and status update from their device while watching MTV shows.

Broadcaster MTV has launched a new iPhone app that aims to stimulate and curate the social conversation around its popular TV shows. The app is called WatchWith, and is also available as an iPad app and a website.

It's the latest example of a second-screen (or 'co-viewing' as MTV calls it) experience. People watching MTV can tweet and post Facebook status updates from within the app, but there is also a filter to show the most popular comments on a particular show in real-time.

The app was developed by Rogue Paper. It also spotlights tweets from the cast of shows including Jersey Shore, Teen Wolf and Awkward.

"With WatchWith, we can deliver curated MTV content and interactions with our talent to an engaged audience during the moments they want it the most," says MTV Digital VP Colin Helms. "Our approach is to provide an additive layer around our shows to encourage fan participation, without distracting from the core viewing."

For now, the app appears to only be available in the US App Store.