From my own experience, apps like Google Maps and Bria (voip) stay active in the background and therefore drain the battery fast. For example Bria will drain my

From my own experience, apps like Google Maps and Bria (voip) stay active in the background and therefore drain the battery fast. For example Bria will drain my iPhone 6 to less then 10% if I have it running a whole day (12 hours). To a lesser extend I think Google Chrome and Google Mail do the same. Therefore I always remove them after usage.