Apple's developer site has a message for those writing new apps or updates to current apps for iOS. "Starting May 1, the App Store will no longer accept new apps or app updates that access UDIDs. Please update your apps and servers to associate users with the Vendor or Advertising identifiers introduced in iOS 6." UDID stands for Unique Device Identifier that each iOS device has and consists of a 40 character string.
Apple replaced the UDID with the Advertiser Identifier which can be disabled by the user
Worried about the lack of privacy involved with UDIDs, in late 2011 Apple decided to stop accepting apps that used them. Last September, the Cupertino based tech giant replaced UDIDs with the Advertiser Identifier which users can change or opt out of. When the May 1st deadline arrives, the new Advertiser Identifier will have been out 8 months, enough time for developers to figure out how to use the information to track their app.
Besides rejecting apps for UDIDs, Apple is said to be looking to turn down apps not optimized for a Retina display. Additionally, apps for the iPhone must be written for the 4 inch screen of the Apple iPhone 5.
Alan, an ardent smartphone enthusiast and a veteran writer at PhoneArena since 2009, has witnessed and chronicled the transformative years of mobile technology. Owning iconic phones from the original iPhone to the iPhone 15 Pro Max, he has seen smartphones evolve into a global phenomenon. Beyond smartphones, Alan has covered the emergence of tablets, smartwatches, and smart speakers.
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