Book Catalog?

As you saw by the pictures, we have just a few books.

 

We've been toying with the idea of actually cataloging them. 

 

Do any of you keep a catalog?  Have you tried any of the apps that advertise being able to scan the books?

 

What's your preference?

 

P.S.  I have a LibraryThing Account, but really haven't used it much because for whatever reason their interface doesn't thrill me.