Apple To Block Developer’s Access To UUID In iOS 5


by casey on August 20, 2011

Every iOS 5 beta brings small new features making it closer to the iOS 5 public version release. There is a surprising new update Apple has for developers. With the recent iOS 5 beta documentation, Apple is informing the developers that they will remove access to UUID (Unique Device Identifier) on the iPhone, iPad and iPod Touch.

Seems like not a very important thing to read but believe us its going to change many things. If you are unaware of how these UUIDs are used by developers, let us explain it to you. UUID identifies the users in different ways including tracking of mobile ads, score the game etc. But its of course not limited to the examples we have just mentioned. iOS Developers can save this information for the future use.

Apple in the latest software documentation has declared that access to UUID will be removed for the developers. We must say its very good for the users who are too much concerned about their privacy. Bad for the developers who will lose all their previously stored data related to UUID’s.

uuid ios iphone

According to TC:

This is a big deal, especially for any mobile ad networks, game networks or any app which relies on the UDID to identify users. Many apps and mobile ad networks, for instance, uses the UDID or a hashed version to keep track of who their users are and what actions they have taken. App publishers are now supposed to crete their own unique identifiers to keep track of users going forward, which means they may have to throw all of their historical user data out the window and start from scratch.

Deprecated in iOS 5.0
An alphanumeric string unique to each device based on various hardware details. (read-only) (Deprecated in iOS 5.0. Instead, create a unique identifier specific to your app.)

Of course this is not going to be the end of the world for developers. They will find some way to solve this.

We will update more news related to this. Stay tuned to

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  • MJ

    Did Apple end up removing UUID access for developers afterall?

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