| Cult of Mac

In-App Ads Drain Up To 75% Of Your Phone’s Battery

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iPhone
Free apps aren't so free after all
Photo: Apple

Free apps that display in-app advertising are sucking the life out of your cellphone’s battery. A team led by Abhinav Pathak, a computer boffin at Purdue University, Indiana, found that around “65%-75% of energy in free apps is spent in third-party advertising modules.”

Translation: Free apps like Angry Birds and Facebook may actually cost you more than paid apps in the end.