MoPub&#one hundred sixty;suggests that iPhone apps that do not UDID data using 24 percent less advertising revenue making.This is because it is difficult without UDID's to the range of an advertisement to be measured used. The result of this study is remarkable because Apple recently rejected applications because of the use of UDID's.

The three-month investigation concluded that an app's UDID with an average eCPM of 76 cents yields.Without this UDID is at 58 cents.

Developers were using the UDID number of active users of an app can measure. In addition, advertisers can see how many times an ad is clicked, after which such a site or opens an app is downloaded.

UDID stands for Unique Device Identifier. This is a series of letters and numbers for each iDevice is unique, making it possible for a dedicated iPhone or iPad to identify.

In March began with Apple rejecting apps that use's UDID. A half year before developers were already asked to cease using UDID. This way Apple hopes to user privacy protection. The fact that developers make it more difficult to measure the range of ads, confirms the impact. On the other hand, there are only less apps using advertising can be earned.


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