Considering how bad the situation is with some other apps in terms of battery usage (looking at Yik Yak and Snapchat) I&#x27;m actually impressed that the Facebook app manages to keep consumption this low.<p>I&#x27;d be interested in seeing more rigorous numbers rather than just comparison to &quot;... a week with the app.&quot; That doesn&#x27;t tell me whether the 15% was from background computation or actual foreground usage.