Your iPhone's battery can never last long enough. Since we use our phones for everything these days, it's incredibly easy to drain your battery quickly during a long day.
That's why it's important to know which apps are draining your iPhone's battery life the most.
There's a simple way to check this:
Navigate to "Settings" on your iPhone's home screen. 
Lisa Eadicicco
Lisa Eadicicco
Then "General."
Lisa Eadicicco
Select "Usage."
Lisa Eadicicco
Then choose "Battery Usage."
Lisa Eadicicco
Now you should be able to see which apps require the most power from your iPhone.
Lisa Eadicicco