Is there any way to go back to the older version of an app on The IPhone?

The new version of the app looks worse

Read this:

http://lifeinlofi.com/2015/12/30/how-to-reinstall-older-versions-of-apps-on-your-iphone-or-ipad/

I'm not quite sure that it will work but if you had backed up all of your information and apps recently before you updated the app, try restoring that back-up.

There's no harm in searching for it in a scrap market.