It’s no secret that the Facebook ios app eats up a lot of battery life on iOS and we’ve mentioned plenty of times that iOS and Android users alike should just use the mobile site. If you’ve ever wondered just how much battery life you’ll save by doing so, The Guardian ran some tests.

The Guardian’s tests were simplistic, but the results are consistent with what we’ve heard plenty of times before: Facebook destroys your battery. Here’s how the Guardian broke it down:

Using an iPhone 6S Plus for a week without the main Facebook app installed, I recorded the battery life at 10.30pm each day for a week comparing it to a daily average taken from a week with the app. I charged the phone overnight, taking it off the charger at 7.30am, and used it normally. I accessed Facebook for the same amount of time, and for the same purposes, using the social network’s excellent mobile site within Safari, as I had done using the app. I also left the Facebook Messenger app installed.

On average I had 15% more battery left by 10.30pm each day. I had also saved space, because at the point I had deleted the Facebook app it had consumed around 500MB in total combining the 111MB of the app itself and its cache on the iPhone.
While we’ve pretty much always known this, it’s nice to see some numbers put attached to it. Delete the Facebook app, your phone will be much happier for it.

Uninstalling Facebook app saves up to 15% of iPhone battery life | The Guardian

Android users:

  1. Open the Play Store app and search for Facebook. Click the Uninstall button on its main page. (If it came pre-installed and you can’t get rid of it, go to Settings > Accounts and just remove your Facebook account. It’ll serve the same purpose).
  2. Open your browser of choice and head to Log in, then press the Menu button and save Facebook’s home page to your bookmarks.
  3. Head to your home screen and long-press on an empty space. Choose Shortcuts from the menu, select Bookmark, and choose the Facebook bookmark you just created. Now you have a Facebook shortcut on your home screen that takes you to a faster, permission-free, more battery-friendly Facebook.

iPhone users:

  1. Press and hold on the Facebook app and click the “X” to uninstall it.
  2. Open Safari, head to, and log in.
  3. Click the “Share” button in Safari’s bottom bar and choose “Add to Home Screen.” Name it whatever you want, then tap “Add.” Now you have a Facebook shortcut on your home screen that takes you to a faster, more battery-friendly Facebook.

iPhone users won’t notice as big of a change as Android users do, but it’s worth a shot if your Facebook app seems slow.

If you absolutely need notifications, ITworld recommends turning on email notifications instead, which should help a bit with the battery problems on Android. How sucky Facebook’s app is depends on your phone (the mobile site is noticeably faster on my Galaxy Nexus), so if you find that Facebook’s app is satisfactory, then obviously you have no need for this tip. But if you can’t stand to use the official Facebook app one second longer, you’d be surprised how good the mobile site is. Apart from a few gestures and animations, you’ll barely notice a difference.

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