Apple and Google may be arch rivals thanks to their competing mobile operating systems, iOS and Android, but the relationship between the two tech giants hasn’t always been so rocky.

Case in point: since the iPhone’s launch, Apple has used Google Maps to provide mapping in iOS.

That, however, is apparently about to change according to a report from 9to5Mac. 9to5Mac’s “trusted sources” say that Apple’s in-house replacement for Google Maps will be “fairly similar” to the Google Maps-driven application currently in iOS, “but it is described as a much cleaner, faster, and more reliable experience.”

To build out its mapping back end, Apple is said to have relied on assets obtained through the acquisition of several companies. One of those companies, C3 Technologies, was a 3D mapping solutions provider. According to 9to5Mac, C3’s technology will power a “powerful” 3D mapping mode in Apple’s new mapping application that provides “beautiful, realistic graphics based on de-classified missile target algorithms.”

Interestingly, many of the executives from C3 have reportedly left Apple recently, and 9to5Mac observes that their “leaving just ahead of iOS integration would be similar to Siri co-founder Dag Kittlaus leaving following Siri’s launch on the iPhone 4S late last year.”

Whether Apple’s new mapping application, which is apparently going to be called Maps, will create as much buzz as Siri at its expected release in mid-June as part of an iOS 6 announcement at WWDC remains to be seen, but it will almost certainly cause disappointment amongst the ranks of Google executives who will see one of the most important Google Maps integrations disappear.