A means of achieving deliver applications to users of mobile devices based on an advertising model that is advantageous for companies that own the mobile operating systems and also for developers.
Users, unlike than think, end up being victims of this model, and do not pay to have the applications end up having a cost not expected and are paying silently, often without realizing it.
A study by researchers at the University of Southern California and two more other universities shows that the free applications that present advertising can be harmful and consume resources of abnormally high way.
According to the submitted applications that provides free advertising to users achieve very high consumption of resources and which often turn out to be a worse alternative than the paid versions.
In terms of battery consumption these applications come to spend 16% more than the paid or free advertising applications. These additional consumption leads to a reduction of 2.5 to 2.1 hours on average, to 1.7 hours or high energy consumption.
Also in the area of hardware resources these applications are avid consumers and can spend more 48% of CPU time, 22% of memory and 56% more CPU utilization.
If until now the data were interesting and even disturbing, the value associated with the data consumption (Internet) is even more alarming. The increase in data consumption reaches 79%, which means that often the data of ceiling lights are rapidly consumed.
This abnormal consumption data is easily justified by the need to download from the Internet all advertising elements that will be displayed.
The methodology used to assess these applications and their impact on the mobile devices made use of 21 of the best known applications of this type, and had been in the top of the applications most commonly used in the different categories of Play Store from January to August last year.
To test these applications was used a smartphone Samsung Galaxy SII, which had installed the applications needed to evaluate the different consumption.
This proves that many times, and as the saying goes , cheap is expensive. These consumption turns out to be normal, but go against what users expect.
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