This is an interesting app because it is a social app, something which isn’t exactly synonymous with Microsoft. As the name implies, “Who’s In” is an app that has been designed to help iMessage users try to organize events and outings with their friends, whether it be a meal, movie, visiting a location, and so on. Events can also be customized if you don’t see what you want to do on the list.
This app seems to be a pure iMessage app and isn’t available for the iPhone or iPad. Unsurprisingly “Who’s In” will also take advantage of Microsoft’s Bing search engine to help users find locations or movie times. Once an event has been organized, users can send it to their friends who can then choose if they’re “in” (with a thumbs up sign) or “out” (with a thumbs down sign).
“Who’s In” is definitely not Microsoft’s first app for iMessage, but if you reckon that this app will come in handy for organizing future events and outings, it might be worth checking out.