Apple Rejecting Apps That Access an iOS Device’s UDID

Apple is now bringing the hammer down on applications that access a devices UDID, or “Unique Device Identifier”, due to privacy concerns. Last year, Apple told developers to phase out the use of UDIDs, but coming up with an alternative identification system can be difficult work. The biggest abuser of UDIDs are ad networks, which use the data to push targeted ads to users. The identifier is also used for beta testing applications, so devs may have some hiccups as they attempt to find a system that does not put their user’s sensitive information at risk.

TechCrunch reports that a fifth of the App Store review teams are now performing blanket rejections based on UDID access, and by next week, the number will rise to nearly half. Eventually, all teams will begin rejecting noncompliant apps.


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