Unlike today’s social networks, Cloak is literally antisocial and keeps you away from those guys who you want to piss off. They catch you on your way and start bubbling and you feel boiled. It keeps a track of your friends, “friends” and other people via Instagram and Foursquare and lets you inform beforehand so you may never run into that jerk, or exes, co-workers or other people you always avoid.

Available at apple.com for