Locationary, which has been called the “Wikipedia for local business listings,” uses crowdsourcing and a platform called Saturn to provide real-time information for places around the world.
As AllThingsD notes:
Not only does Locationary ensure that business listing data is positionally accurate (IE: the restaurant I searched for is where Apple said it would be), it ensures that it is temporally accurate as well (IE: the restaurant I searched for is still open for business and not closed for renovation or shuttered entirely).
Apple replaced Google Maps with its own mapping software in iOS 6. The move wasn’t a popular one as consumers soon found that Apple Maps was lacking key features and included incorrect information.
Since Apple CEO Tim Cook apologized for the “frustrating” Maps app in September, however, things have improved. The acquisition of Locationary should lead to further improvements in Maps for iOS 7 and OS X Mavericks.