Find Out What’s Draining Your iPhone Battery And Using Your Data

Someone asked me yesterday how to check which apps are killing their battery on their iPhone the quickest. They asked because as of lately, their Snapchat app seems to be a major culprit. One person asked, so there could be more. I'm sure there are a lot of how to websites out there about this exact thing, but too bad. Here's another one.

Battery Usage

Checking which apps are draining your battery is fairly simple.

  1. Go into "Settings".
  2. Select "General".
  3. Select "Usage".
  4. Select "Battery Usage".

This should tell you, since the last full charge, how much time has went by and how much time you have left before the phone dies. If you scroll down you can see which apps have used the battery within the last 24 hours or the last 3 days.

Low Power Mode

New to iOS9, there is a setting called "Low Power Mode". With this setting turned on, you will disable some of the more power intensive options on the phone. It will switch mail from push to fetch, disables background app refresh, automatic downloads, and turns off visuals like motion effects, animated wallpapers, and perspective zoom. You can't pick on choose here, the option just turns off all options associated with this setting. A lot of these options were talked about in our other article, iPhone Battery Dying Way Too Fast?.

  1. Go into "Settings".
  2. Select "Battery".
  3. Select "Low Power Mode".

Data Usage

Similar to viewing which apps are using up all of your battery life, you can find out which ones are using the most data.

  1. Go into "Settings".
  2. Select "Cellular" and scroll to the bottom.
  3. Under "Use Cellular Data For", you can see how much data each app has used.
  4. Scroll all the way to the bottom and you can "Reset Statistics", which will set everything back to 0 allowing you to track from right now, fresh.

If you find one of your apps is using too much data, you can just turn it off in the list. This means that you can only use the app when you are connected to WiFi.

Posted on: October 11, 2015

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