The Google Nexus 4 by LG comes with the Google’s Android 4.2 operating system.
The Android 4.2 OS has a features to enable you to clear all Apps Cache in a Quick and Easy Way.
With the previous Android OS, You could only clear one app’s cache at a time, by navigating through the App menu in Settings.
This is Why there are many 3rd party third party app cache cleaners.
You Dot Need Any Cache cleaners on your LG Nexus 4. Just head to settings, then to storage, and tap on the new “Cached data” section in the list. At this point, you’ll be prompted to clear that cached data.