Free apps: behind short battery life of cell phones

Paid applications may probably help your mobile phone battery last longer as almost 75 percent of the energy consumed by free versions of apps is exhausted serving up ads or tracking and uploading user information, a new study including Indian origin researcher has revealed.
According to Abhinav Pathak, a computer scientist at Purdue University, Indiana, and colleagues, running only one Android app could eat up your battery in nearly 90 minutes.
Research by Abhinav Pathak on free Android apps shows that up to 75% of the energy that they consume is purely used to show ads. As an example, Only 20% of the battery drain from playing Angry Birds actually comes from playing the game and running the screen. The other 80% is split between finding the user’s location and another 28% is used up uploading the data to the internet. The remainder is mostly miscellaneous..............
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