After you clear the cache, if the app is running it will create a new cache. The main reason for clearing a cache is to get rid of possibly correct data in an old cache. When the app recreates the cache it shouldn't have the same issue.
Apps will pretty much always have caches so that they can load as fast as possible and respond as fast as you need.
Push on the app to it brings up a a menu. Click on the i at the top right corner in the pop up. It'll bring up app info. Click on storage and either choose soft clean or deep clean.
A deep clean rests your app as if you uninstalled it and reinstalled it. Not recommend if you want to loose all saved data. A soft clean just cleans it for the moment.
Another thing would to be is put the app to sleep