Replacing the Facebook app on Android with Metal (or any one of numerous mobile web wrappers as apps) alone resolved most of the problems I was having with battery life.
The argument for apps over mobile web only works when the app respects _both_ the user experience and resources of the device as well as the mobile experience does.
The argument for apps over mobile web only works when the app respects _both_ the user experience and resources of the device as well as the mobile experience does.