DO NOT BUY THIS APP Hopefully, you read this before you click buy. I did not check the ratings before I did and now I wish I could get my money back. When trying to connect to Dropbox it says it is “unable to load directory contents.” Help function does not give any help as it says the “topic is currently unvailable”, as is the case with all of the topics. I have spent hours trying to connect the IOS and OS versions of this app and see no way of making it happen. Ridiculous. DO NOT BUY. I just spent 4 hours scanning 100s of books and they are all not gone and the backup that I created dissappeared.