Kybook2

Supports book formats pdf, epub, fb2, djvu, mobi, azw3, cbr, cbz, cbt etc.
Archive formats zip/rar/tar
And synchronization over CIFS/SMB!

WARNING:

superceeded by kybook3 

Documentation

app store	https://apps.apple.com/us/app/kybook-2-ebook-reader/id1018584176
homepage	http://kybook-reader.com/
kybook2 help	http://kybook-reader.com/v2_help.html
wikipedia ios ebook readers	https://en.wikipedia.org/wiki/Comparison_of_iOS_e-reader_software

Adding Books

Calibre Server

- settings > Libraries:
  - OPDS catalog:
  - searchbar: http://server:8080/opds  # calibre server

Samba

NOTE:

I was unable to do this. Author partially ported libsmbclient to objective C https://github.com/kolyvan/kxsmb . Would not connect for me.

Settings > Books:
  - back  # top left
  - + > shared:
    title:
    server:
    sharepoint:
    user:
    password: