The App is still in beta and Google is allowing users to download it on invite only basis. The sign in process is simple but one odd thing about Who’s Down is Google also asks for a school name when requesting an invitation. This would suggest that Google has developed the App with college students in mind.

It is surprising why Google has built the Who’s Down as a standalone App when the features in this App are more suited to be integrated with Google Maps or Google+.  Maybe it wants to integrate all social media and messaging Apps into a single broadcast App. The app, which was first spotted by 9to5 Google, is available for iOS and Android. “We’re not down to share more details just yet, but check out this page for more info in the meantime,” the company told us in an email.

Google launches  Who s Down  App To Let Your Friends Know When You re Available - 7