Software Update initially downloads and caches all updates while the Caching service caches software based on client requests.Software Update only caches updates, while the Caching service can cache both updates and Mac App Store purchases.Which is aided by caching both software updates and purchased apps from the Mac App Store.įor years Apple have provided and still continues to provide, a service called Software Update which offers a similar service but there are some key differences: The caching service helps speed up the download of software distributed through the Mac App Store. Last week Apple delivered an update to OS X Server, bringing it up to version 2.2.Īlong with the various bug fixes and tweaks they added a rather interesting new service called the Caching service. So one of the advantages of Apple moving OS X Server to a single app is that they can deliver faster updates and new features.