I totally agree with this. I have been doing tests with Facebook's iOS app installed/uninstalled for month and without FB app, the battery is in much more bette

I totally agree with this. I have been doing tests with Facebook's iOS app installed/uninstalled for month and without FB app, the battery is in much more better state during the day. I haven't done some crazy analysis, but noticed that removing the FB app increase my battery life for rough ~30%. I only use Safari to access the FB and I'm super happy about that. I spent less time on FB and have more battery. I highly recommend this approach to all my friends complaining about battery