Check out koreader for Kobo devices. I've been using it for a quite some time and it adds some nice Calibre features such as wireless sync. Besides that the PDF

Check out koreader for Kobo devices. I've been using it for a quite some time and it adds some nice Calibre features such as wireless sync. Besides that the PDF support is leaps ahead of stock Kobo https://github.com/koreader/koreader https://github.com/koreader/koreader