Restaurant loyalty app Blackbird Labs today announced the launch of a new tool aimed at cutting payment transaction fees for restaurants, while allowing customers to settle their check in-app ...

However, to get the full experience, an $8 in-app purchase unlocks unlimited contacts, notifications, and a widget for your Home Screen that reminds you which people you need to check in with soon.

Foursquare is shutting down its signature city guide app in order to “focus our efforts on building an even better experience in Swarm,” the company said in an update.