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Apple recently brought up their new DeviceCheck API which allows the developer to uniquely identify a device from the same developer / team ID. I am looking for a way to have same functionality but through all apps. Meaning App independent. The advertising ID would be sufficient, but because of several reasons I can not use it. Does somebody have additional ideas?

davidOhara
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    DeviceCheck doesn't exactly uniquely identify a device. It lets you associate two bits with a device. `identifierForVendor` gives you an identifier across all apps from the same developer on a device but this identifier changes if the device is erased. – Paulw11 Apr 30 '20 at 12:39
  • Yeah, but identifierForVendor also is different across apps from different developers... I need an identifier across different apps from different devs... – davidOhara Apr 30 '20 at 14:12
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    There is no such thing, by design, for privacy reasons – Paulw11 Apr 30 '20 at 14:13

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