Report sources close to Tencent and ByteDance claim each are testing the system. Even though CAID doesn't require ATT permission to track users, doing so may still put companies in hot water. Apple's rules for tracking explain an app still requires ATT-based permission from the user for any sort of tracking, regardless of whether it is IDFA or an alternate third-party method. It is thought that Apple has the capability of detecting apps that use CAID, and will have the option to block them from the Chinese App Store if needed. CAID has apparently been in testing for a number of months, with sources adding Apple is both aware of it and is turning a blind eye for the moment.
Apple's stance is that the "App Store terms and guidelines apply equally to all developers around the world," and that "users should be asked for their permission before being tracked." Apple that don't take into account a user's choice "will be rejected" by the company.However, blocking Chinese apps for bypassing ATT in favor of CAID tracking could be a difficult problem for Apple. It is apparently wary of performing such app band in China if CAID has strong support from both tech firms and government agencies.
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