Apple is known, even notorious, for its tight grip on which apps get into its App Store. While sometimes viewed to be a rather heavy handed or authoritarian approach, it has also been praised for curbing the amount of low quality apps and malware. Lately, however, some seem to have slipped through the cracks. This latest App Store violation even numbers in the hundreds. Code analytics service SourceDNA discovers more than 200 iOS apps accepted on the App Store using an advertising SDK that collect users' private data.