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No, you can scope it to an App Group shared across all apps in one account (Team ID). Google uses this to aggressively fingerprint — if you’re signed in to Goog

No, you can scope it to an App Group shared across all apps in one account (Team ID). Google uses this to aggressively fingerprint — if you’re signed in to Google Voice, your actions in Google Maps will still be associated to your account even if you’ve never signed in.

BillinghamJ 3y ago
That's not really fingerprinting - it's just ensuring your login is consistent against the apps of a single vendor I don't think Apple are aiming to change that with this
- kalleboo 3y ago
  The fact that Keychain isn't in this list of APIs despite also being available to all apps by a developer (and optionally synced via iCloud) also points to them being OK with shared logins between apps (or they just forgot???)
  - saagarjha 3y ago
    It seems like they forgot the actual API that allows tracking users across installs, lol
  - smotched 3y ago
    I dont think the keychain can be used to track...
    - kalleboo 3y ago
      Just to the same or slightly higher extent as UserDefaults which is on this list
- halJordan 3y ago
  Fingerprinting is more of an intent. Google will absolutely tell you it's just to ensure consistency among their products. Their most important product being targeted advertising. Using it to enable consistent targeted advertising would be what the advertising industry calls fingerprinting.