From May 1, the App Store will no longer support applications that use UDID (a unique device identifier). Anyone who does not have time to abandon it and switch to an alternative solution will have a “path ordered” in iTunes.

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Apple has repeatedly warned developers about its plans to abandon UDID in order to protect personal data. And now the “miracle” has happened. In the sixth iOS, it will be replaced by IFA (identifierForAdvertising). 

MoPub experts have estimated that in the event of a ban on UDID, Apple will cut developers’ advertising revenue by about 24%.

W3i employees presented a whole list of possible solutions that make it possible to almost painlessly survive Apple’s ban on using UDID.