The apps on your Android device typically use a cache to improve performance. Over time, the cache for certain apps can grow quite large. Clearing the app cache can free up precious space and sometimes resolve problems you might be having with the app.
To clear the cache, you normally go to the Android app manager, click on the app from the list, then tap on "Clear cache." If you want to clear the cache for all your apps, you have to repeat this procedure for every single app, unless you use a cache cleaner like App Cache … Read more